IPv4 R&E Routing Table Report 23:00 GMT Wed 03 May, 2023 IPv4 BGP Table (Global) as seen at London. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/London/ Analysis Summary ---------------- BGP routing table entries examined: 914551 Prefixes after maximum aggregation (per Origin AS): 346997 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 447598 Number of IPv4 prefixes with a valid ROA: 395609 Number of IPv4 prefixes with an invalid ROA: 2468 Number of IPv4 prefixes with no ROA: 516474 Total ASes present in the Internet Routing Table: 74201 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63707 Origin ASes announcing only one prefix: 26208 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 42 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 41781 Number of 32-bit ASNs visible in the Routing Table: 34475 Prefixes from 32-bit ASNs in the Routing Table: 170136 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 629 Number of addresses announced to Internet: 3058948608 Equivalent to 182 /8s, 83 /16s and 218 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306304 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238679 Total APNIC prefixes after maximum aggregation: 68457 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232919 Unique aggregates announced from the APNIC address blocks: 97526 APNIC Region origin ASes present in the Internet Routing Table: 13310 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3912 APNIC Region transit ASes present in the Internet Routing Table: 1776 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8681 Number of APNIC addresses announced to Internet: 772961280 Equivalent to 46 /8s, 18 /16s and 116 /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, 131072-151865 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: 268171 Total ARIN prefixes after maximum aggregation: 121674 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270699 Unique aggregates announced from the ARIN address blocks: 129909 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4773 Number of ARIN addresses announced to Internet: 1283226624 Equivalent to 76 /8s, 124 /16s and 124 /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: 259395 Total RIPE prefixes after maximum aggregation: 122049 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255440 Unique aggregates announced from the RIPE address blocks: 158082 RIPE Region origin ASes present in the Internet Routing Table: 28315 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 3988 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11162 Number of RIPE addresses announced to Internet: 717959424 Equivalent to 42 /8s, 203 /16s and 49 /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 196608-213403 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: 117738 Total LACNIC prefixes after maximum aggregation: 28208 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117012 Unique aggregates announced from the LACNIC address blocks: 49317 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2290 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8773 Number of LACNIC addresses announced to Internet: 176676352 Equivalent to 10 /8s, 135 /16s and 222 /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: 29481 Total AfriNIC prefixes after maximum aggregation: 5818 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37852 Unique aggregates announced from the AfriNIC address blocks: 12244 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 107708928 Equivalent to 6 /8s, 107 /16s and 130 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2951 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 194 TATACOMM-AS TATA Communications formerl 18403 2158 347 25 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8273 10781 2930 AMAZON-02, US 11492 4536 300 612 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3589 3058 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3163 1575 2352 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2636 3591 367 GOOGLE-CLOUD-PLATFORM, US 7018 2519 24151 1578 ATT-INTERNET4, US 30036 2500 360 446 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7259 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4068 3399 163 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2700 250 1394 M247, RO 34984 2274 359 614 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 535 TCI, IR 13188 1607 100 18 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11270 3344 598 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2339 359 619 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1591 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 521 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 490 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11270 3344 598 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8273 10781 2930 AMAZON-02, US 12479 7259 1706 140 UNI2-AS, ES 7545 5721 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4536 300 612 CABLEONE, US 20940 4068 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7259 7119 UNI2-AS, ES 16509 8273 5343 AMAZON-02, US 7545 5721 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4536 3924 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4068 3905 AKAMAI-ASN1, NL 8551 3884 3847 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/London/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/London/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/London/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:38 /11:105 /12:300 /13:576 /14:1196 /15:2086 /16:13424 /17:8164 /18:14148 /19:24864 /20:43127 /21:50899 /22:109061 /23:97306 /24:549218 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6320 7259 UNI2-AS, ES 8151 5209 11270 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4536 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3524 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2652 3589 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/London/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1786 2:1289 3:175 4:5 5:4516 6:127 7:6 8:1514 9:1 11:172 12:1536 13:387 14:2325 15:300 16:181 17:373 18:421 20:256 21:4 22:188 23:6229 24:2586 25:6 27:2489 29:19 31:2500 32:72 34:12 35:106 36:1949 37:4688 38:4542 39:827 40:150 41:3954 42:1237 43:2329 44:308 45:16476 46:4255 47:357 49:1735 50:1816 51:573 52:1593 54:389 55:856 56:8 57:114 58:1704 59:1104 60:988 61:2473 62:2644 63:1926 64:5643 65:2321 66:4966 67:2997 68:1350 69:4097 70:1231 71:671 72:2979 74:2601 75:1448 76:610 77:2441 78:1801 79:3174 80:2128 81:1769 82:1495 83:1276 84:1502 85:2958 86:766 87:2013 88:1164 89:3681 90:610 91:7736 92:2068 93:2619 94:3615 95:3997 96:1315 97:336 98:1154 99:745 100:73 101:1308 102:2708 103:31247 104:4636 105:488 106:938 107:2522 108:1020 109:4405 110:2100 111:3094 112:2030 113:1580 114:1640 115:2121 116:1900 117:2565 118:2372 119:2006 120:1795 121:1067 122:2580 123:2165 124:1573 125:2458 128:1319 129:1075 130:1004 131:1998 132:849 133:422 134:1896 135:304 136:877 137:951 138:2556 139:1549 140:1237 141:1457 142:1429 143:1492 144:1162 145:346 146:1931 147:1577 148:2316 149:2212 150:878 151:1157 152:1924 153:489 154:4420 155:1444 156:1788 157:1313 158:1059 159:2312 160:2546 161:1527 162:3510 163:1510 164:1607 165:1727 166:1018 167:1730 168:3838 169:940 170:4573 171:880 172:3542 173:2921 174:1070 175:1170 176:3655 177:4580 178:3599 179:2151 180:2600 181:3451 182:3343 183:1975 184:2358 185:20196 186:4779 187:3967 188:4091 189:3560 190:9149 191:1425 192:10918 193:8854 194:7310 195:5153 196:3192 197:2378 198:5864 199:6094 200:7943 201:5871 202:10327 203:10225 204:4574 205:3648 206:4247 207:3383 208:4057 209:4823 210:4165 211:2407 212:4159 213:3592 214:1088 215:58 216:6626 217:2686 218:1273 219:406 220:2082 221:974 222:717 223:2149 End of report