[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 16 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 16 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:                              991758
    Prefixes after maximum aggregation (per Origin AS):          363875
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458539
Total ASes present in the Internet Routing Table:                 75686
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64934
Origin ASes announcing only one prefix:                           26086
Transit ASes present in the Internet Routing Table:               10752
Transit-only ASes present in the Internet Routing Table:            503
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:              1199
    Number of instances of unregistered ASNs:                      1201
Number of 32-bit ASNs allocated by the RIRs:                      43843
Number of 32-bit ASNs visible in the Routing Table:               36119
Prefixes from 32-bit ASNs in the Routing Table:                  190209
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:            621
Number of addresses announced to Internet:                   3029363637
    Equivalent to 180 /8s, 144 /16s and 107 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      338937

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

Prefixes being announced by APNIC Region ASes:                   259548
    Total APNIC prefixes after maximum aggregation:               73694
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252078
    Unique aggregates announced from the APNIC address blocks:   100096
APNIC Region origin ASes present in the Internet Routing Table:   14121
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4220
APNIC Region transit ASes present in the Internet Routing Table:   1897
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9462
Number of APNIC addresses announced to Internet:              761205920
    Equivalent to 45 /8s, 95 /16s and 20 /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:                    284312
    Total ARIN prefixes after maximum aggregation:               125415
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           288885
    Unique aggregates announced from the ARIN address blocks:    132604
ARIN Region origin ASes present in the Internet Routing Table:    19124
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6934
ARIN Region transit ASes present in the Internet Routing Table:    1947
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4865
Number of ARIN addresses announced to Internet:              1270069570
    Equivalent to 75 /8s, 179 /16s and 185 /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:                    282653
    Total RIPE prefixes after maximum aggregation:               128851
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276359
    Unique aggregates announced from the RIPE address blocks:    162649
RIPE Region origin ASes present in the Internet Routing Table:    28668
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12097
RIPE Region transit ASes present in the Internet Routing Table:    3962
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11706
Number of RIPE addresses announced to Internet:               714670451
    Equivalent to 42 /8s, 153 /16s and 1 /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:                  130156
    Total LACNIC prefixes after maximum aggregation:              28943
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128808
    Unique aggregates announced from the LACNIC address blocks:   49537
LACNIC Region origin ASes present in the Internet Routing Table:  11072
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              2244
LACNIC Region transit ASes present in the Internet Routing Table:  2419
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8928
Number of LACNIC addresses announced to Internet:             177283424
    Equivalent to 10 /8s, 145 /16s and 33 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  33890
    Total AfriNIC prefixes after maximum aggregation:              6223
    AfriNIC Deaggregation factor:                                  5.45
Prefixes being announced from the AfriNIC address blocks:         45006
    Unique aggregates announced from the AfriNIC address blocks:  13171
AfriNIC Region origin ASes present in the Internet Routing Table:  1783
    AfriNIC Prefixes per ASN:                                     25.24
AfriNIC Region origin ASes announcing only one prefix:              591
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158
Number of AfriNIC addresses announced to Internet:            105822464
    Equivalent to 6 /8s, 78 /16s and 185 /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        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4578        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3852       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3609       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3516        495     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3297       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2760        864     359  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11259     578  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        9719      11333    3399  AMAZON-02, US
   174        5120       6641     645  COGENT-174, US
 22773        5011       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4587        304     634  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3599       1320      75  SHAW, CA
 16625        3247       1405    2310  AKAMAI-AS, US
   749        3193      54919    2445  DNIC-AS-00749, US
   367        2927       3632    1411  DNIC-ASBLK-00306-00371, US
396982        2758       3640     406  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        9031       1219    2322  TTNET, TR
 12479        7670       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3260        283    1580  M247, RO
 12389        2956       2302     896  ROSTELECOM-AS, RU
  8551        2674        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2515        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2461       1852      14  TE-AS TE-AS, EG
 34984        2394        366     583  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       12363       3321     497  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2507        340     653  Mega Cable, S.A. de C.V., MX
 11830        2000        369      64  Instituto Costarricense de Electricidad
 28573        1342       2318     242  Claro NXT Telecomunicacoes Ltda, BR
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 26615        1130       2505      73  TIM SA, BR
 28202        1105         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        1628        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1369       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1056         71     132  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         558         82       3  KENET-AS, KE
  6713         553       1861      34  IAM-AS, MA
 15399         518         55      49  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       12363       3321     497  UNINET, MX
  9808        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9719      11333    3399  AMAZON-02, US
 47331        9031       1219    2322  TTNET, TR
 12479        7670       1714     147  UNI2-AS, ES
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5120       6641     645  COGENT-174, US
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5011       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9833         9776  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7670         7523  UNI2-AS, ES
 47331        9031         6709  TTNET, TR
 16509        9719         6320  AMAZON-02, US
  7545        5655         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4962  ERX-CERNET-BKB China Education and Research Net
 22773        5011         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4578         4553  FPT-AS-AP FPT Telecom Company, VN
   174        5120         4475  COGENT-174, 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
     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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

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      /12:299     
/13:580     /14:1205    /15:2139    /16:13423   /17:8462    /18:14205   
/19:25318   /20:45528   /21:53771   /22:114467  /23:107012  /24:600246  
/25:1116    /26:1061    /27:1515    /28:160     /29:261     /30:105     
/31:110     /32:612     

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

   ASN  No of nets  Total ann.  Description
 47331        8142        9031  TTNET, TR
 12479        6783        7670  UNI2-AS, ES
  8151        6372       12363  UNINET, MX
 22773        4047        5011  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3500        4587  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3396        3599  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2164        2508  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2150        2674  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2306      2:1656      3:313       4:22        5:4708      6:162    
   7:6         8:1634      9:2        11:190      12:1470     13:378    
  14:2460     15:315      16:210      17:374      18:752      20:378    
  21:4        22:188      23:6683     24:3170     25:2        27:2715   
  29:19       31:2809     32:62       34:63       35:125      36:2223   
  37:4639     38:8530     39:901      40:125      41:4601     42:2212   
  43:2396     44:320      45:17809    46:4495     47:302      49:1941   
  50:1931     51:576      52:1619     54:309      55:971      56:5      
  57:163      58:2115     59:1206     60:1025     61:2764     62:2856   
  63:1946     64:5738     65:2363     66:4865     67:3132     68:1591   
  69:4123     70:1512     71:581      72:3026     74:2622     75:1587   
  76:633      77:2539     78:4155     79:2526     80:2191     81:2179   
  82:1583     83:1358     84:1661     85:4040     86:930      87:2297   
  88:3024     89:4179     90:683      91:8169     92:2276     93:2660   
  94:3819     95:5366     96:1311     97:314      98:1106     99:741    
 100:111     101:1189    102:3525    103:32984   104:4790    105:2004   
 106:985     107:2782    108:1144    109:4130    110:2177    111:3236   
 112:2095    113:1793    114:1791    115:2175    116:1912    117:2624   
 118:2868    119:2033    120:1815    121:1364    122:2828    123:2269   
 124:1683    125:2877    126:28      128:1504    129:1027    130:1137   
 131:1928    132:929     133:409     134:1724    135:353     136:957    
 137:1068    138:3027    139:1585    140:1381    141:1369    142:1597   
 143:1587    144:1022    145:346     146:2055    147:1734    148:2529   
 149:2641    150:1050    151:1355    152:1989    153:594     154:6255   
 155:1392    156:2286    157:1657    158:1107    159:2274    160:2613   
 161:1667    162:3627    163:1738    164:1685    165:2183    166:1079   
 167:1781    168:4127    169:811     170:4966    171:1036    172:3849   
 173:3072    174:941     175:1257    176:3829    177:5370    178:3733   
 179:2504    180:2467    181:3774    182:3387    183:2044    184:2281   
 185:21022   186:5280    187:4832    188:4234    189:4365    190:9537   
 191:1912    192:11033   193:9108    194:7623    195:5444    196:3658   
 197:2959    198:6037    199:7546    200:8388    201:6366    202:10846  
 203:10586   204:4631    205:3765    206:4541    207:3601    208:4202   
 209:5108    210:4792    211:2609    212:4409    213:3556    214:1072   
 215:43      216:6878    217:3058    218:1386    219:607     220:2125   
 221:1035    222:877     223:2238   

End of report


More information about the ren-bgp-stats-all mailing list