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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 20 22:41:17 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 20 Apr, 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:                              1001376
    Prefixes after maximum aggregation (per Origin AS):          365917
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      460504
Total ASes present in the Internet Routing Table:                 75898
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65061
Origin ASes announcing only one prefix:                           25935
Transit ASes present in the Internet Routing Table:               10837
Transit-only ASes present in the Internet Routing Table:            524
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1177
    Number of instances of unregistered ASNs:                      1181
Number of 32-bit ASNs allocated by the RIRs:                      44213
Number of 32-bit ASNs visible in the Routing Table:               36358
Prefixes from 32-bit ASNs in the Routing Table:                  196358
Number of bogon 32-bit ASNs visible in the Routing Table:           174
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            639
Number of addresses announced to Internet:                   3030957492
    Equivalent to 180 /8s, 168 /16s and 189 /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:      342368

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

Prefixes being announced by APNIC Region ASes:                   260649
    Total APNIC prefixes after maximum aggregation:               74410
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252796
    Unique aggregates announced from the APNIC address blocks:   100572
APNIC Region origin ASes present in the Internet Routing Table:   14166
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4233
APNIC Region transit ASes present in the Internet Routing Table:   1899
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9525
Number of APNIC addresses announced to Internet:              762373024
    Equivalent to 45 /8s, 112 /16s and 227 /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:                    283891
    Total ARIN prefixes after maximum aggregation:               126215
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288611
    Unique aggregates announced from the ARIN address blocks:    133318
ARIN Region origin ASes present in the Internet Routing Table:    19165
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                6940
ARIN Region transit ASes present in the Internet Routing Table:    1954
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4890
Number of ARIN addresses announced to Internet:              1269446978
    Equivalent to 75 /8s, 170 /16s and 57 /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, 393216-402332
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:                    284003
    Total RIPE prefixes after maximum aggregation:               129325
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           277664
    Unique aggregates announced from the RIPE address blocks:    163570
RIPE Region origin ASes present in the Internet Routing Table:    28696
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12083
RIPE Region transit ASes present in the Internet Routing Table:    3997
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11777
Number of RIPE addresses announced to Internet:               714874994
    Equivalent to 42 /8s, 156 /16s and 32 /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:                  136853
    Total LACNIC prefixes after maximum aggregation:              29000
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135265
    Unique aggregates announced from the LACNIC address blocks:   49485
LACNIC Region origin ASes present in the Internet Routing Table:  11090
    LACNIC Prefixes per ASN:                                      12.20
LACNIC Region origin ASes announcing only one prefix:              2079
LACNIC Region transit ASes present in the Internet Routing Table:  2442
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8965
Number of LACNIC addresses announced to Internet:             177182560
    Equivalent to 10 /8s, 143 /16s and 151 /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:                  34803
    Total AfriNIC prefixes after maximum aggregation:              6239
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         46400
    Unique aggregates announced from the AfriNIC address blocks:  13066
AfriNIC Region origin ASes present in the Internet Routing Table:  1833
    AfriNIC Prefixes per ASN:                                     25.31
AfriNIC Region origin ASes announcing only one prefix:              600
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1201
Number of AfriNIC addresses announced to Internet:            106756608
    Equivalent to 6 /8s, 92 /16s and 250 /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        9882       8744      69  CHINAMOBILE-CN China Mobile Communicati
  7545        5665        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4587        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3883       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3639       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3599        499     258  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2782        864     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2508      11524     588  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        9839      11364    3479  AMAZON-02, US
   174        5242       6629     836  COGENT-174, US
 11492        4603        305     604  CABLEONE, US
  7155        4176        288      92  VIASAT-SP-BACKBONE, US
  6327        3609       1320      75  SHAW, CA
 22773        3548       3064     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3201      54912    2453  DNIC-AS-00749, US
 16625        3168       1345    2245  AKAMAI-AS, US
   367        2833       3550    1352  DNIC-ASBLK-00306-00371, US
  7018        2776      23648    1778  ATT-INTERNET4, 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        9056       1222    2278  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3951       3396     150  AKAMAI-ASN1, NL
  9009        3293        285    1609  M247, RO
 12389        2952       2301     892  ROSTELECOM-AS, RU
  8551        2644        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2494       1852      14  TE-AS TE-AS, EG
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2395        367     575  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       12419       3319     490  UNINET, MX
 10620        3522        495     906  Telmex Colombia S.A., CO
 13999        2530        350     660  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1547       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1155        175     428  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR

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        1501        389      20  LINKdotNET-AS, EG
 36992        1368       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1197         76      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 15399         524         55      50  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       12419       3319     490  UNINET, MX
  9808        9882       8744      69  CHINAMOBILE-CN China Mobile Communicati
 16509        9839      11364    3479  AMAZON-02, US
 47331        9056       1222    2278  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
  7545        5665        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5242       6629     836  COGENT-174, US
  4538        5042       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4603        305     604  CABLEONE, US

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        9882         9813  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7712         7568  UNI2-AS, ES
 47331        9056         6778  TTNET, TR
 16509        9839         6360  AMAZON-02, US
  7545        5665         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042         4968  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4587         4564  FPT-AS-AP FPT Telecom Company, VN
   174        5242         4406  COGENT-174, US
  7155        4176         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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy 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

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      /12:301     
/13:585     /14:1211    /15:2143    /16:13428   /17:8501    /18:14205   
/19:25489   /20:45474   /21:54103   /22:115049  /23:107968  /24:607757  
/25:1102    /26:1071    /27:1515    /28:165     /29:280     /30:124     
/31:117     /32:625     

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

   ASN  No of nets  Total ann.  Description
 47331        8164        9056  TTNET, TR
 12479        6827        7712  UNI2-AS, ES
  8151        6438       12419  UNINET, MX
 11492        3516        4603  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3406        3609  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2637        3548  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2150        2496  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2135        3522  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)
----------------------------------------------

   1:2339      2:1701      3:326       4:22        5:4711      6:163    
   7:6         8:1616      9:1        11:172      12:1463     13:367    
  14:2451     15:317      16:209      17:373      18:765      20:379    
  21:4        22:188      23:6738     24:3119     25:2        27:2677   
  29:19       31:2866     32:60       34:66       35:132      36:2329   
  37:4614     38:8503     39:898      40:126      41:4668     42:2204   
  43:2431     44:319      45:18600    46:4553     47:310      49:1951   
  50:1946     51:576      52:1617     54:311      55:926      56:5      
  57:178      58:2134     59:1267     60:1033     61:2776     62:2843   
  63:1929     64:5746     65:2400     66:4848     67:3080     68:1343   
  69:4160     70:1385     71:588      72:2969     74:2630     75:1588   
  76:614      77:2590     78:4161     79:2529     80:2220     81:2209   
  82:1635     83:1393     84:1649     85:4066     86:941      87:2294   
  88:3045     89:4214     90:675      91:8267     92:2297     93:2690   
  94:3844     95:5384     96:1307     97:314      98:1059     99:742    
 100:97      101:1198    102:3650    103:32959   104:4870    105:2084   
 106:1010    107:2793    108:1118    109:4162    110:2184    111:3284   
 112:2093    113:1834    114:1790    115:2151    116:1905    117:2638   
 118:2868    119:2045    120:1812    121:1358    122:2799    123:2264   
 124:1698    125:2895    126:32      128:1562    129:1035    130:1172   
 131:2049    132:926     133:410     134:1727    135:358     136:949    
 137:1072    138:3209    139:1568    140:1394    141:1374    142:1622   
 143:1645    144:1011    145:346     146:2102    147:1866    148:2530   
 149:2643    150:1047    151:1364    152:2041    153:594     154:6844   
 155:1462    156:2518    157:1768    158:1156    159:2339    160:2744   
 161:1660    162:3616    163:1718    164:1706    165:2171    166:1177   
 167:1824    168:4245    169:831     170:5317    171:1030    172:3850   
 173:3072    174:905     175:1253    176:3824    177:6253    178:3715   
 179:2754    180:2455    181:3808    182:3409    183:2057    184:2294   
 185:21083   186:5711    187:5213    188:4271    189:4627    190:9722   
 191:2059    192:11034   193:9138    194:7645    195:5481    196:3662   
 197:2922    198:6074    199:7700    200:8655    201:6622    202:10829  
 203:10563   204:4633    205:3806    206:4564    207:3555    208:4205   
 209:5147    210:4796    211:2610    212:4404    213:3585    214:1058   
 215:49      216:6892    217:3069    218:1386    219:606     220:2053   
 221:1043    222:883     223:2245   

End of report


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