IPv4 R&E Routing Table Report 18:35 GMT Wed 13 Sep, 2023 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 944455 Prefixes after maximum aggregation (per Origin AS): 352340 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 452717 Number of IPv4 prefixes with a valid ROA: 431177 Number of IPv4 prefixes with an invalid ROA: 1522 Number of IPv4 prefixes with no ROA: 511756 Total ASes present in the Internet Routing Table: 74777 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64478 Origin ASes announcing only one prefix: 25897 Transit ASes present in the Internet Routing Table: 10299 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 104 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 42599 Number of 32-bit ASNs visible in the Routing Table: 35067 Prefixes from 32-bit ASNs in the Routing Table: 180029 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 591 Number of addresses announced to Internet: 3055736320 Equivalent to 182 /8s, 34 /16s and 214 /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: 318380 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243728 Total APNIC prefixes after maximum aggregation: 70058 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 237354 Unique aggregates announced from the APNIC address blocks: 98482 APNIC Region origin ASes present in the Internet Routing Table: 13586 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 4029 APNIC Region transit ASes present in the Internet Routing Table: 1799 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8943 Number of APNIC addresses announced to Internet: 772353792 Equivalent to 46 /8s, 9 /16s and 47 /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: 276513 Total ARIN prefixes after maximum aggregation: 123708 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 279648 Unique aggregates announced from the ARIN address blocks: 131631 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6940 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1279754240 Equivalent to 76 /8s, 71 /16s and 128 /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: 264315 Total RIPE prefixes after maximum aggregation: 123355 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 259958 Unique aggregates announced from the RIPE address blocks: 160190 RIPE Region origin ASes present in the Internet Routing Table: 28418 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3801 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11333 Number of RIPE addresses announced to Internet: 716893184 Equivalent to 42 /8s, 186 /16s and 236 /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: 126437 Total LACNIC prefixes after maximum aggregation: 28502 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 125280 Unique aggregates announced from the LACNIC address blocks: 49251 LACNIC Region origin ASes present in the Internet Routing Table: 11033 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2323 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8840 Number of LACNIC addresses announced to Internet: 178547200 Equivalent to 10 /8s, 164 /16s and 106 /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: 32380 Total AfriNIC prefixes after maximum aggregation: 5980 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 41624 Unique aggregates announced from the AfriNIC address blocks: 12669 AfriNIC Region origin ASes present in the Internet Routing Table: 1793 AfriNIC Prefixes per ASN: 23.21 AfriNIC Region origin ASes announcing only one prefix: 585 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1132 Number of AfriNIC addresses announced to Internet: 107732736 Equivalent to 6 /8s, 107 /16s and 223 /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 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3406 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3153 498 253 BBIL-AP BHARTI Airtel Ltd., IN 24560 2509 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2290 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2151 442 200 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9057 10991 3244 AMAZON-02, US 11492 4519 300 676 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 174 3843 6655 608 COGENT-174, US 22773 3545 3054 304 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3536 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 367 2985 3832 1405 DNIC-ASBLK-00306-00371, US 16625 2968 1424 2256 AKAMAI-AS, US 396982 2696 3596 390 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7364 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4046 3398 151 AKAMAI-ASN1, NL 8551 3451 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2907 2298 916 ROSTELECOM-AS, RU 9009 2727 254 1391 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1607 100 26 TRIOLAN, UA 61317 1497 100 1166 ASDETUK www.heficed.com, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11804 3368 601 UNINET, MX 10620 3540 506 850 Telmex Colombia S.A., CO 13999 2408 343 625 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1123 182 425 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 28202 1098 52 9 Rede Brasileira de Comunicacao SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1612 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 913 520 36 Vodafone-, EG 37457 811 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 535 54 46 WANANCHI-, KE 36914 521 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11804 3368 601 UNINET, MX 9808 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9057 10991 3244 AMAZON-02, US 12479 7364 1713 145 UNI2-AS, ES 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 676 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4046 3398 151 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9481 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7364 7219 UNI2-AS, ES 16509 9057 5813 AMAZON-02, US 7545 5723 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4046 3895 AKAMAI-ASN1, NL 11492 4519 3843 CABLEONE, US 7552 3730 3710 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 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 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/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, 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/RENU/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 /11:102 /12:297 /13:576 /14:1206 /15:2128 /16:13590 /17:8330 /18:14044 /19:25218 /20:44232 /21:52220 /22:111364 /23:102746 /24:568334 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6451 7364 UNI2-AS, ES 8151 5828 11804 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4519 CABLEONE, US 6327 3346 3536 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2924 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2593 3545 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2103 3540 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2220 2:1424 3:259 4:5 5:4613 6:136 7:6 8:1531 9:1 11:172 12:1518 13:373 14:2315 15:304 16:197 17:370 18:639 20:290 21:4 22:188 23:6378 24:2897 25:6 27:2638 29:19 31:2554 32:84 34:26 35:116 36:1993 37:4548 38:6314 39:872 40:146 41:4515 42:2101 43:2317 44:321 45:17242 46:4327 47:374 49:1826 50:1909 51:597 52:1599 54:395 55:937 56:8 57:131 58:1874 59:1119 60:1001 61:2596 62:2776 63:1923 64:5806 65:2355 66:5025 67:3064 68:1352 69:4179 70:1358 71:667 72:3022 74:2627 75:1595 76:618 77:2420 78:1848 79:2990 80:2135 81:1868 82:1478 83:1305 84:1541 85:3091 86:765 87:2094 88:1219 89:3888 90:623 91:7932 92:2064 93:2630 94:3556 95:4022 96:1292 97:321 98:1101 99:735 100:90 101:1316 102:3218 103:32158 104:4623 105:714 106:891 107:2675 108:1135 109:4250 110:2127 111:3139 112:2070 113:1764 114:1675 115:2067 116:1912 117:2518 118:2706 119:1984 120:1776 121:1134 122:2614 123:2174 124:1575 125:2511 128:1488 129:995 130:1074 131:2051 132:871 133:408 134:1793 135:348 136:916 137:985 138:2812 139:1562 140:1176 141:1295 142:1517 143:1552 144:1007 145:346 146:1972 147:1598 148:2462 149:2324 150:890 151:1231 152:1992 153:593 154:5401 155:1386 156:1955 157:1334 158:1085 159:2248 160:2659 161:1591 162:3546 163:1615 164:1745 165:1895 166:1065 167:1739 168:3909 169:918 170:4877 171:914 172:3712 173:2971 174:985 175:1206 176:3824 177:5302 178:3534 179:2400 180:2471 181:3571 182:3328 183:1980 184:2280 185:20773 186:4955 187:4533 188:4278 189:4112 190:9297 191:1826 192:10959 193:9002 194:7380 195:5292 196:3300 197:2801 198:5977 199:6122 200:8073 201:6132 202:10414 203:10143 204:4577 205:3680 206:4393 207:3478 208:4179 209:4946 210:4285 211:2452 212:4291 213:3446 214:1092 215:58 216:6777 217:2880 218:1281 219:410 220:1795 221:984 222:665 223:2146 End of report