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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Feb 20 22:42:55 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 20 Feb, 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:                              988295
    Prefixes after maximum aggregation (per Origin AS):          363408
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      457450
Total ASes present in the Internet Routing Table:                 75675
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64832
Origin ASes announcing only one prefix:                           26102
Transit ASes present in the Internet Routing Table:               10843
Transit-only ASes present in the Internet Routing Table:            523
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1263
    Number of instances of unregistered ASNs:                      1266
Number of 32-bit ASNs allocated by the RIRs:                      43666
Number of 32-bit ASNs visible in the Routing Table:               36023
Prefixes from 32-bit ASNs in the Routing Table:                  189098
Number of bogon 32-bit ASNs visible in the Routing Table:           192
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            604
Number of addresses announced to Internet:                   3043235763
    Equivalent to 181 /8s, 100 /16s and 23 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      337861

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

Prefixes being announced by APNIC Region ASes:                   258733
    Total APNIC prefixes after maximum aggregation:               73667
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251307
    Unique aggregates announced from the APNIC address blocks:   100258
APNIC Region origin ASes present in the Internet Routing Table:   14063
    APNIC Prefixes per ASN:                                       17.87
APNIC Region origin ASes announcing only one prefix:               4192
APNIC Region transit ASes present in the Internet Routing Table:   1902
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9418
Number of APNIC addresses announced to Internet:              775093664
    Equivalent to 46 /8s, 50 /16s and 253 /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:                    283135
    Total ARIN prefixes after maximum aggregation:               125507
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           287655
    Unique aggregates announced from the ARIN address blocks:    132117
ARIN Region origin ASes present in the Internet Routing Table:    19131
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                6941
ARIN Region transit ASes present in the Internet Routing Table:    1965
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4857
Number of ARIN addresses announced to Internet:              1269915968
    Equivalent to 75 /8s, 177 /16s and 97 /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:                    281493
    Total RIPE prefixes after maximum aggregation:               128414
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275343
    Unique aggregates announced from the RIPE address blocks:    161917
RIPE Region origin ASes present in the Internet Routing Table:    28632
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3993
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11642
Number of RIPE addresses announced to Internet:               713756531
    Equivalent to 42 /8s, 139 /16s and 15 /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:                  129522
    Total LACNIC prefixes after maximum aggregation:              28903
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128371
    Unique aggregates announced from the LACNIC address blocks:   49445
LACNIC Region origin ASes present in the Internet Routing Table:  11073
    LACNIC Prefixes per ASN:                                      11.59
LACNIC Region origin ASes announcing only one prefix:              2275
LACNIC Region transit ASes present in the Internet Routing Table:  2428
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8922
Number of LACNIC addresses announced to Internet:             177783648
    Equivalent to 10 /8s, 152 /16s and 195 /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:                  34149
    Total AfriNIC prefixes after maximum aggregation:              6130
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         45014
    Unique aggregates announced from the AfriNIC address blocks:  13198
AfriNIC Region origin ASes present in the Internet Routing Table:  1838
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              612
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       43
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1184
Number of AfriNIC addresses announced to Internet:            106359040
    Equivalent to 6 /8s, 86 /16s and 233 /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        9827       8740      56  CHINAMOBILE-CN China Mobile Communicati
  7545        5675        784     680  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4607        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3867       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3504        497     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3375       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2719        861     379  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2495      11258     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        9571      11217    3377  AMAZON-02, US
   174        4761       6639     673  COGENT-174, US
 11492        4582        304     645  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
 22773        3633       3078     303  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3596       1320      75  SHAW, CA
 16625        3244       1410    2311  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2919       3696    1418  DNIC-ASBLK-00306-00371, US
396982        2756       3639     396  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        9004       1214    2372  TTNET, TR
 12479        7615       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     151  AKAMAI-ASN1, NL
  9009        3263        283    1586  M247, RO
 12389        2990       2304     906  ROSTELECOM-AS, RU
  8551        2655        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2446       1852      14  TE-AS TE-AS, EG
 34984        2396        366     585  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       12465       3374     609  UNINET, MX
 10620        3522        496     891  Telmex Colombia S.A., CO
 13999        2503        340     656  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1329       2319     238  Claro NXT Telecomunicacoes Ltda, BR
  3816        1306        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1204        340     496  Axtel, S.A.B. de C.V., MX
 11664        1141        179     423  Techtel LMDS Comunicaciones Interactiva
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1089        369      22  Telefonica del Peru S.A.A., PE

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        1629        315      40  Telkom-Internet, ZA
 24863        1548        389      16  LINKdotNET-AS, EG
 24835        1547        545      28  RAYA-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1141         73      64  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         556         82       3  KENET-AS, KE
  6713         552       1861      34  IAM-AS, MA
 15399         523         55      53  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       12465       3374     609  UNINET, MX
  9808        9827       8740      56  CHINAMOBILE-CN China Mobile Communicati
 16509        9571      11217    3377  AMAZON-02, US
 47331        9004       1214    2372  TTNET, TR
 12479        7615       1714     147  UNI2-AS, ES
  7545        5675        784     680  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015       4192      75  ERX-CERNET-BKB China Education and Rese
   174        4761       6639     673  COGENT-174, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4607        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        9827         9771  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7615         7468  UNI2-AS, ES
 47331        9004         6632  TTNET, TR
 16509        9571         6194  AMAZON-02, US
  7545        5675         4995  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015         4940  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4607         4582  FPT-AS-AP FPT Telecom Company, VN
   174        4761         4088  COGENT-174, US
  7155        4186         4088  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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, 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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, 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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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
23.164.72.0/24       Origin:     49195  SSAC, CN
23.164.72.0/24      Transit:     20473  AS-CHOOPA, US
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      /11:98      /12:302     
/13:578     /14:1207    /15:2135    /16:13528   /17:8460    /18:14209   
/19:25520   /20:45586   /21:54087   /22:114011  /23:106825  /24:596791  
/25:1102    /26:1054    /27:1513    /28:159     /29:246     /30:83      
/31:101     /32:632     

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

   ASN  No of nets  Total ann.  Description
 47331        8114        9004  TTNET, TR
 12479        6730        7615  UNI2-AS, ES
  8151        6420       12465  UNINET, MX
 11492        3495        4582  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3596  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 22773        2665        3633  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2146        2489  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2131        2655  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)
----------------------------------------------

   1:2328      2:1610      3:296       4:22        5:4656      6:163    
   7:6         8:1630      9:2        11:172      12:1472     13:378    
  14:2446     15:312      16:204      17:375      18:732      20:374    
  21:4        22:188      23:6648     24:3106     25:2        27:2704   
  29:19       31:2731     32:64       34:40       35:126      36:2200   
  37:4642     38:8028     39:907      40:141      41:4642     42:2210   
  43:2384     44:336      45:17709    46:4477     47:293      49:1922   
  50:1928     51:574      52:1616     54:335      55:883      56:5      
  57:156      58:2111     59:1226     60:1020     61:2763     62:2834   
  63:1954     64:5748     65:2375     66:5024     67:3126     68:1360   
  69:4139     70:1392     71:588      72:2995     74:2683     75:1591   
  76:635      77:2523     78:4146     79:2500     80:2168     81:2138   
  82:1594     83:1326     84:1671     85:4027     86:882      87:2261   
  88:2997     89:4137     90:677      91:8087     92:2273     93:2652   
  94:3821     95:5315     96:1322     97:314      98:1037     99:744    
 100:121     101:1183    102:3551    103:32952   104:4789    105:2027   
 106:1004    107:2785    108:1142    109:4096    110:2179    111:3183   
 112:2091    113:1774    114:1773    115:2092    116:1993    117:2655   
 118:2786    119:2017    120:1816    121:1337    122:2789    123:2266   
 124:1684    125:2878    126:28      128:1572    129:1022    130:1132   
 131:1936    132:935     133:412     134:1716    135:353     136:936    
 137:1055    138:2997    139:1562    140:1374    141:1356    142:1606   
 143:1562    144:1019    145:345     146:2044    147:1718    148:2542   
 149:2608    150:1044    151:1344    152:1999    153:598     154:6034   
 155:1385    156:2142    157:1564    158:1102    159:2217    160:2697   
 161:1659    162:3658    163:1715    164:1695    165:2172    166:1076   
 167:1730    168:3985    169:824     170:4986    171:1031    172:3852   
 173:3061    174:905     175:1260    176:3811    177:5320    178:3701   
 179:2490    180:2454    181:3757    182:3440    183:1991    184:2277   
 185:20978   186:5169    187:4811    188:4248    189:4369    190:9499   
 191:1864    192:11041   193:9071    194:7570    195:5451    196:3684   
 197:2953    198:6071    199:7237    200:8441    201:6393    202:10843  
 203:10576   204:4622    205:3782    206:4555    207:3588    208:4186   
 209:5044    210:4773    211:2616    212:4401    213:3558    214:1116   
 215:44      216:6855    217:3047    218:1388    219:610     220:2059   
 221:1025    222:877     223:2233   

End of report


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