[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 30 22:41:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 30 Mar, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              998112
    Prefixes after maximum aggregation (per Origin AS):          364674
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      458888
Total ASes present in the Internet Routing Table:                 75820
    Prefixes per ASN:                                             13.16
Origin-only ASes present in the Internet Routing Table:           65052
Origin ASes announcing only one prefix:                           25952
Transit ASes present in the Internet Routing Table:               10768
Transit-only ASes present in the Internet Routing Table:            507
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1191
    Number of instances of unregistered ASNs:                      1193
Number of 32-bit ASNs allocated by the RIRs:                      43980
Number of 32-bit ASNs visible in the Routing Table:               36251
Prefixes from 32-bit ASNs in the Routing Table:                  194713
Number of bogon 32-bit ASNs visible in the Routing Table:           173
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            639
Number of addresses announced to Internet:                   3030902965
    Equivalent to 180 /8s, 167 /16s and 232 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      341276

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   259718
    Total APNIC prefixes after maximum aggregation:               74025
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252202
    Unique aggregates announced from the APNIC address blocks:   100253
APNIC Region origin ASes present in the Internet Routing Table:   14150
    APNIC Prefixes per ASN:                                       17.82
APNIC Region origin ASes announcing only one prefix:               4242
APNIC Region transit ASes present in the Internet Routing Table:   1901
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9497
Number of APNIC addresses announced to Internet:              761280160
    Equivalent to 45 /8s, 96 /16s and 54 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    283540
    Total ARIN prefixes after maximum aggregation:               125739
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287776
    Unique aggregates announced from the ARIN address blocks:    132639
ARIN Region origin ASes present in the Internet Routing Table:    19173
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    1958
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4890
Number of ARIN addresses announced to Internet:              1270100546
    Equivalent to 75 /8s, 180 /16s and 50 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    282610
    Total RIPE prefixes after maximum aggregation:               129015
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276797
    Unique aggregates announced from the RIPE address blocks:    162924
RIPE Region origin ASes present in the Internet Routing Table:    28660
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12071
RIPE Region transit ASes present in the Internet Routing Table:    3971
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11730
Number of RIPE addresses announced to Internet:               714908019
    Equivalent to 42 /8s, 156 /16s and 161 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  136532
    Total LACNIC prefixes after maximum aggregation:              28919
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135043
    Unique aggregates announced from the LACNIC address blocks:   49579
LACNIC Region origin ASes present in the Internet Routing Table:  11076
    LACNIC Prefixes per ASN:                                      12.19
LACNIC Region origin ASes announcing only one prefix:              2075
LACNIC Region transit ASes present in the Internet Routing Table:  2411
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8936
Number of LACNIC addresses announced to Internet:             177314656
    Equivalent to 10 /8s, 145 /16s and 155 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  34521
    Total AfriNIC prefixes after maximum aggregation:              6230
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         45654
    Unique aggregates announced from the AfriNIC address blocks:  12992
AfriNIC Region origin ASes present in the Internet Routing Table:  1830
    AfriNIC Prefixes per ASN:                                     24.95
AfriNIC Region origin ASes announcing only one prefix:              606
AfriNIC Region transit ASes present in the Internet Routing Table:  356
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1198
Number of AfriNIC addresses announced to Internet:            106978560
    Equivalent to 6 /8s, 96 /16s and 93 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9834       8742      65  CHINAMOBILE-CN China Mobile Communicati
  7545        5657        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4628        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3858       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3612       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3525        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2767        864     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2493      11259     577  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9799      11364    3396  AMAZON-02, US
   174        5312       6652     698  COGENT-174, US
 11492        4596        305     619  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3603       1320      75  SHAW, CA
 22773        3553       3048     245  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3200       1375    2272  AKAMAI-AS, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2880       3579    1364  DNIC-ASBLK-00306-00371, US
396982        2764       3641     412  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9057       1222    2277  TTNET, TR
 12479        7675       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3934       3396     150  AKAMAI-ASN1, NL
  9009        3273        283    1600  M247, RO
 12389        2991       2304     903  ROSTELECOM-AS, RU
  8551        2655        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2515        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2467       1852      14  TE-AS TE-AS, EG
 34984        2387        366     581  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12350       3315     495  UNINET, MX
 10620        3527        497     888  Telmex Colombia S.A., CO
 13999        2515        342     655  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1103        346     480  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1497        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1206         76      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         555       1861      34  IAM-AS, MA
 36914         548         82       3  KENET-AS, KE
 15399         538         56      55  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12350       3315     495  UNINET, MX
  9808        9834       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9799      11364    3396  AMAZON-02, US
 47331        9057       1222    2277  TTNET, TR
 12479        7675       1709     144  UNI2-AS, ES
  7545        5657        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5312       6652     698  COGENT-174, US
  4538        5019       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4628        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9834         9769  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7675         7531  UNI2-AS, ES
 47331        9057         6780  TTNET, TR
 16509        9799         6403  AMAZON-02, US
  7545        5657         4984  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5312         4614  COGENT-174, US
 18403        4628         4603  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4084  VIASAT-SP-BACKBONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK
27.0.192.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR
27.0.193.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.193.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:95      /12:300     
/13:585     /14:1211    /15:2146    /16:13436   /17:8484    /18:14218   
/19:25502   /20:45552   /21:54035   /22:114774  /23:107741  /24:605003  
/25:1105    /26:1056    /27:1512    /28:165     /29:271     /30:113     
/31:113     /32:627     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        8165        9057  TTNET, TR
 12479        6792        7675  UNI2-AS, ES
  8151        6362       12350  UNINET, MX
 11492        3509        4596  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3401        3603  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2636        3553  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2148        2492  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2133        3527  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2318      2:1677      3:321       4:22        5:4708      6:162    
   7:6         8:1635      9:2        11:172      12:1471     13:378    
  14:2449     15:318      16:210      17:373      18:758      20:374    
  21:4        22:188      23:6699     24:3113     25:2        27:2645   
  29:19       31:2829     32:62       34:65       35:126      36:2269   
  37:4624     38:8375     39:901      40:125      41:4636     42:2249   
  43:2401     44:319      45:18545    46:4502     47:305      49:1942   
  50:1921     51:579      52:1616     54:307      55:897      56:5      
  57:175      58:2123     59:1267     60:1028     61:2771     62:2846   
  63:1942     64:5747     65:2365     66:4878     67:3140     68:1358   
  69:4130     70:1386     71:584      72:2980     74:2615     75:1587   
  76:631      77:2577     78:4159     79:2515     80:2221     81:2180   
  82:1622     83:1393     84:1654     85:4058     86:935      87:2310   
  88:3053     89:4153     90:680      91:8247     92:2284     93:2665   
  94:3836     95:5401     96:1319     97:314      98:1050     99:743    
 100:111     101:1196    102:3528    103:32973   104:4797    105:2064   
 106:1000    107:2758    108:1131    109:4110    110:2177    111:3254   
 112:2097    113:1800    114:1798    115:2124    116:1904    117:2630   
 118:2870    119:2039    120:1814    121:1358    122:2806    123:2257   
 124:1636    125:2886    126:32      128:1565    129:1036    130:1142   
 131:2047    132:927     133:410     134:1730    135:358     136:948    
 137:1073    138:3200    139:1573    140:1393    141:1371    142:1643   
 143:1653    144:1016    145:347     146:2065    147:1750    148:2513   
 149:2648    150:1049    151:1358    152:1989    153:593     154:6534   
 155:1436    156:2276    157:1709    158:1102    159:2326    160:2706   
 161:1664    162:3634    163:1734    164:1722    165:2192    166:1074   
 167:1793    168:4290    169:827     170:5252    171:1035    172:3860   
 173:3081    174:910     175:1253    176:3845    177:6218    178:3721   
 179:2761    180:2459    181:3799    182:3400    183:2053    184:2285   
 185:21046   186:5574    187:5209    188:4259    189:4531    190:9662   
 191:2059    192:11052   193:9134    194:7624    195:5454    196:3685   
 197:2877    198:6066    199:7599    200:8617    201:6646    202:10784  
 203:10604   204:4632    205:3793    206:4565    207:3556    208:4182   
 209:5108    210:4794    211:2607    212:4404    213:3542    214:1090   
 215:50      216:6893    217:3058    218:1386    219:608     220:2051   
 221:1040    222:878     223:2240   

End of report


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