IPv4 R&E Routing Table Report 23:05 GMT Wed 25 Oct, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 926377 Prefixes after maximum aggregation (per Origin AS): 353736 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454281 Number of IPv4 prefixes with a valid ROA: 427297 Number of IPv4 prefixes with an invalid ROA: 1644 Number of IPv4 prefixes with no ROA: 497436 Total ASes present in the Internet Routing Table: 74798 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64226 Origin ASes announcing only one prefix: 26429 Transit ASes present in the Internet Routing Table: 10572 Transit-only ASes present in the Internet Routing Table: 472 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1048 Number of instances of unregistered ASNs: 1051 Number of 32-bit ASNs allocated by the RIRs: 42902 Number of 32-bit ASNs visible in the Routing Table: 35222 Prefixes from 32-bit ASNs in the Routing Table: 176141 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3050970368 Equivalent to 181 /8s, 218 /16s and 29 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309461 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242148 Total APNIC prefixes after maximum aggregation: 70494 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235633 Unique aggregates announced from the APNIC address blocks: 99221 APNIC Region origin ASes present in the Internet Routing Table: 13640 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4088 APNIC Region transit ASes present in the Internet Routing Table: 1822 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9031 Number of APNIC addresses announced to Internet: 771459328 Equivalent to 45 /8s, 251 /16s and 137 /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: 272321 Total ARIN prefixes after maximum aggregation: 123813 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276326 Unique aggregates announced from the ARIN address blocks: 132212 ARIN Region origin ASes present in the Internet Routing Table: 19024 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1276566528 Equivalent to 76 /8s, 22 /16s and 220 /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: 261958 Total RIPE prefixes after maximum aggregation: 124257 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256902 Unique aggregates announced from the RIPE address blocks: 160468 RIPE Region origin ASes present in the Internet Routing Table: 28428 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3950 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11375 Number of RIPE addresses announced to Internet: 716719104 Equivalent to 42 /8s, 184 /16s and 68 /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: 118882 Total LACNIC prefixes after maximum aggregation: 28466 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117805 Unique aggregates announced from the LACNIC address blocks: 49264 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2363 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of LACNIC addresses announced to Internet: 178275328 Equivalent to 10 /8s, 160 /16s and 68 /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: 30020 Total AfriNIC prefixes after maximum aggregation: 5984 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39194 Unique aggregates announced from the AfriNIC address blocks: 12685 AfriNIC Region origin ASes present in the Internet Routing Table: 1795 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1139 Number of AfriNIC addresses announced to Internet: 107511552 Equivalent to 6 /8s, 104 /16s and 127 /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 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4226 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3617 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3322 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3230 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2554 849 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2193 442 204 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9160 11020 3302 AMAZON-02, US 11492 4538 301 673 CABLEONE, US 7155 4160 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3519 3055 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3079 3850 1436 DNIC-ASBLK-00306-00371, US 16625 3021 1391 2300 AKAMAI-AS, US 396982 2703 3598 396 GOOGLE-CLOUD-PLATFORM, US 7018 2545 23614 1596 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7419 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 147 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3111 278 1526 M247, RO 12389 2891 2295 912 ROSTELECOM-AS, RU 34984 2323 361 592 TELLCOM-AS, TR 58224 1684 916 545 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11781 3354 618 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2417 333 629 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1065 170 433 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1566 391 38 LINKdotNET-AS, EG 24835 1505 513 27 RAYA-AS, EG 36992 1345 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 796 520 38 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 479 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11781 3354 618 UNINET, MX 9808 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9160 11020 3302 AMAZON-02, US 12479 7419 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 673 CABLEONE, US 18403 4226 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4160 288 96 VIASAT-SP-BACKBONE, US 20940 4083 3397 147 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9497 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7419 7274 UNI2-AS, ES 16509 9160 5858 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4226 4201 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4064 VIASAT-SP-BACKBONE, US 20940 4083 3936 AKAMAI-ASN1, NL 11492 4538 3865 CABLEONE, US 7552 3617 3597 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS 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 23.157.113.0/24 Origin: 62538 IPFAIL, US 23.157.113.0/24 Transit: 6939 HURRICANE, 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/Singapore/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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2090 /16:13434 /17:8240 /18:13678 /19:24775 /20:43226 /21:51111 /22:109714 /23:98692 /24:559170 /25:0 /26:2 /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 6506 7419 UNI2-AS, ES 8151 5840 11781 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3364 3555 SHAW, CA 7155 3108 4160 VIASAT-SP-BACKBONE, US 8551 2925 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2578 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2205 2:1434 3:265 4:5 5:4389 6:153 7:6 8:1500 9:1 11:172 12:1505 13:359 14:2297 15:306 16:195 17:362 18:666 20:308 21:4 22:188 23:6474 24:2526 25:2 27:2584 29:19 31:2549 32:72 34:27 35:114 36:2005 37:4492 38:5439 39:866 40:149 41:3985 42:2041 43:2268 44:324 45:16705 46:4320 47:372 49:1863 50:1878 51:578 52:1588 54:395 55:960 56:5 57:127 58:1800 59:1112 60:1008 61:2546 62:2681 63:1897 64:5641 65:2301 66:4960 67:3049 68:1346 69:4128 70:1184 71:639 72:2936 74:2621 75:1564 76:629 77:2329 78:1825 79:3006 80:2115 81:1831 82:1516 83:1303 84:1563 85:3063 86:765 87:2010 88:1204 89:3941 90:623 91:7866 92:2073 93:2632 94:3564 95:3995 96:1304 97:316 98:1083 99:735 100:91 101:1383 102:2953 103:32229 104:4789 105:556 106:915 107:2786 108:1134 109:4243 110:2132 111:3123 112:2054 113:1749 114:1692 115:1995 116:1903 117:2519 118:2699 119:1956 120:1781 121:1159 122:2605 123:2173 124:1575 125:2592 128:1401 129:903 130:1040 131:1970 132:857 133:408 134:1767 135:301 136:910 137:983 138:2692 139:1575 140:1316 141:1335 142:1534 143:1527 144:997 145:348 146:1959 147:1613 148:2473 149:2345 150:878 151:1229 152:1955 153:523 154:5135 155:1399 156:2010 157:1346 158:1046 159:2193 160:2628 161:1590 162:3510 163:1613 164:1689 165:1859 166:1061 167:1755 168:3847 169:793 170:4616 171:953 172:3868 173:2995 174:976 175:1191 176:3604 177:4534 178:3535 179:2135 180:2497 181:3571 182:3381 183:1984 184:2271 185:20621 186:4743 187:4204 188:4083 189:3889 190:9316 191:1418 192:10972 193:8961 194:7306 195:5222 196:3197 197:2550 198:5925 199:6325 200:7946 201:6155 202:10219 203:9999 204:4532 205:3681 206:4331 207:3397 208:4095 209:4888 210:4208 211:2448 212:4257 213:3390 214:1115 215:71 216:6695 217:2766 218:1273 219:407 220:1802 221:986 222:670 223:2146 End of report