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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Sep 29 22:41:46 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 29 Sep, 2023

  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:                              983082
    Prefixes after maximum aggregation (per Origin AS):          360243
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453079
Total ASes present in the Internet Routing Table:                 75075
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64703
Origin ASes announcing only one prefix:                           25862
Transit ASes present in the Internet Routing Table:               10372
Transit-only ASes present in the Internet Routing Table:            443
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:              1240
    Number of instances of unregistered ASNs:                      1242
Number of 32-bit ASNs allocated by the RIRs:                      42723
Number of 32-bit ASNs visible in the Routing Table:               35264
Prefixes from 32-bit ASNs in the Routing Table:                  183482
Number of bogon 32-bit ASNs visible in the Routing Table:           225
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            623
Number of addresses announced to Internet:                   3055769227
    Equivalent to 182 /8s, 35 /16s and 86 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      337674

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

Prefixes being announced by APNIC Region ASes:                   258162
    Total APNIC prefixes after maximum aggregation:               72459
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251657
    Unique aggregates announced from the APNIC address blocks:    98727
APNIC Region origin ASes present in the Internet Routing Table:   13770
    APNIC Prefixes per ASN:                                       18.28
APNIC Region origin ASes announcing only one prefix:               4048
APNIC Region transit ASes present in the Internet Routing Table:   1828
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9050
Number of APNIC addresses announced to Internet:              774094016
    Equivalent to 46 /8s, 35 /16s and 188 /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:                    281650
    Total ARIN prefixes after maximum aggregation:               125384
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284706
    Unique aggregates announced from the ARIN address blocks:    131852
ARIN Region origin ASes present in the Internet Routing Table:    19123
    ARIN Prefixes per ASN:                                        14.89
ARIN Region origin ASes announcing only one prefix:                6934
ARIN Region transit ASes present in the Internet Routing Table:    1848
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1278261056
    Equivalent to 76 /8s, 48 /16s and 183 /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:                    280649
    Total RIPE prefixes after maximum aggregation:               127016
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274972
    Unique aggregates announced from the RIPE address blocks:    160014
RIPE Region origin ASes present in the Internet Routing Table:    28480
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               11991
RIPE Region transit ASes present in the Internet Routing Table:    3862
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11383
Number of RIPE addresses announced to Internet:               716667103
    Equivalent to 42 /8s, 183 /16s and 120 /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:                  127540
    Total LACNIC prefixes after maximum aggregation:              28618
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         126795
    Unique aggregates announced from the LACNIC address blocks:   49338
LACNIC Region origin ASes present in the Internet Routing Table:  11046
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2301
LACNIC Region transit ASes present in the Internet Routing Table:  2341
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8853
Number of LACNIC addresses announced to Internet:             178535840
    Equivalent to 10 /8s, 164 /16s and 61 /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:                  33841
    Total AfriNIC prefixes after maximum aggregation:              5995
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         44328
    Unique aggregates announced from the AfriNIC address blocks:  12617
AfriNIC Region origin ASes present in the Internet Routing Table:  1799
    AfriNIC Prefixes per ASN:                                     24.64
AfriNIC Region origin ASes announcing only one prefix:              588
AfriNIC Region transit ASes present in the Internet Routing Table:  331
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145
Number of AfriNIC addresses announced to Internet:            107759360
    Equivalent to 6 /8s, 108 /16s and 71 /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        9616       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5735        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4026       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3747       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3192        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2518        848     383  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9094      10990    3238  AMAZON-02, US
 11492        4532        301     673  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3949       6666     636  COGENT-174, US
 22773        3653       3062     311  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3054       1430    2309  AKAMAI-AS, US
   367        2998       3820    1414  DNIC-ASBLK-00306-00371, US
396982        2696       3597     393  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        8585       1173    2984  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4139       3399     185  AKAMAI-ASN1, NL
  8551        3448        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3026       2298     925  ROSTELECOM-AS, RU
  9009        2914        266    1491  M247, RO
  8452        2503       1852      16  TE-AS TE-AS, EG
  5384        2454        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        363     588  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       11893       3385     605  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2405        331     621  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1295        766     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 11664        1105        179     427  Techtel LMDS Comunicaciones Interactiva
 28202        1090         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        1885        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1046         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         527         55      49  WANANCHI-, KE
 36914         519         82       3  KENET-AS, 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       11893       3385     605  UNINET, MX
  9808        9616       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9094      10990    3238  AMAZON-02, US
 47331        8585       1173    2984  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
  7545        5735        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     673  CABLEONE, US
 18403        4257        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        9616         9517  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7389         7244  UNI2-AS, ES
 16509        9094         5856  AMAZON-02, US
 47331        8585         5601  TTNET, TR
  7545        5735         5037  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4257         4232  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4026         3975  VNPT-AS-VN VNPT Corp, VN

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             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, 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             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
100.65.6.0/24             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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, 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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /10:38      /11:101     /12:300     
/13:581     /14:1211    /15:2148    /16:13684   /17:8577    /18:14800   
/19:25818   /20:45839   /21:54615   /22:114581  /23:107205  /24:588619  
/25:1129    /26:1082    /27:1488    /28:155     /29:233     /30:86      
/31:90      /32:671     

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

   ASN  No of nets  Total ann.  Description
 47331        7706        8585  TTNET, TR
 12479        6476        7389  UNI2-AS, ES
  8151        5892       11893  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3444        4532  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2924        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2692        3653  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2497  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2269      2:1563      3:266       4:8         5:4641      6:137    
   7:6         8:1614      9:1        11:172      12:1518     13:369    
  14:2415     15:305      16:200      17:375      18:660      20:310    
  21:4        22:188      23:6515     24:2920     25:2        27:2668   
  29:19       31:2689     32:94       34:26       35:119      36:2016   
  37:4641     38:6482     39:872      40:145      41:4811     42:2084   
  43:2400     44:327      45:17472    46:4481     47:378      49:1843   
  50:1911     51:590      52:1624     54:393      55:968      56:5      
  57:131      58:1945     59:1206     60:1009     61:2731     62:2821   
  63:1944     64:5852     65:2406     66:5167     67:3108     68:1362   
  69:4182     70:1401     71:685      72:2944     74:2667     75:1610   
  76:636      77:2444     78:4027     79:3021     80:2160     81:2079   
  82:1578     83:1370     84:1588     85:3918     86:874      87:2274   
  88:2906     89:3968     90:624      91:7973     92:2143     93:2652   
  94:3699     95:5123     96:1338     97:319      98:1124     99:730    
 100:123     101:1333    102:3251    103:32766   104:4762    105:2000   
 106:984     107:2712    108:1151    109:4330    110:2197    111:3188   
 112:2125    113:1811    114:1704    115:2179    116:1959    117:2576   
 118:2760    119:2066    120:1860    121:1237    122:2762    123:2275   
 124:1660    125:2601    128:1542    129:1011    130:1090    131:2076   
 132:971     133:408     134:1738    135:350     136:976     137:988    
 138:2818    139:1674    140:1296    141:1332    142:1542    143:1609   
 144:1016    145:355     146:1988    147:1626    148:2527    149:2340   
 150:919     151:1250    152:2001    153:593     154:5392    155:1399   
 156:2030    157:1372    158:1065    159:2258    160:2708    161:1619   
 162:3587    163:1668    164:1766    165:1917    166:1079    167:1758   
 168:3948    169:903     170:4906    171:945     172:3793    173:3005   
 174:993     175:1252    176:3944    177:5391    178:3567    179:2457   
 180:2620    181:3571    182:3407    183:2035    184:2291    185:20954  
 186:5014    187:4563    188:4353    189:4160    190:9476    191:1837   
 192:11046   193:9015    194:7532    195:5484    196:3627    197:3029   
 198:6080    199:6170    200:8231    201:6238    202:10970   203:10575  
 204:4622    205:3748    206:4458    207:3564    208:4197    209:4975   
 210:4735    211:2640    212:4393    213:3529    214:1115    215:70     
 216:6871    217:3036    218:1329    219:609     220:2042    221:986    
 222:857     223:2180   

End of report


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