IPv4 R&E Routing Table Report 23:05 GMT Thu 06 Jun, 2024 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: 944005 Prefixes after maximum aggregation (per Origin AS): 361226 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464264 Number of IPv4 prefixes with a valid ROA: 478584 Number of IPv4 prefixes with an invalid ROA: 1191 Number of IPv4 prefixes with no ROA: 464230 Total ASes present in the Internet Routing Table: 75680 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65145 Origin ASes announcing only one prefix: 26680 Transit ASes present in the Internet Routing Table: 10535 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1001 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 44674 Number of 32-bit ASNs visible in the Routing Table: 36485 Prefixes from 32-bit ASNs in the Routing Table: 186502 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 608 Number of addresses announced to Internet: 3025659136 Equivalent to 180 /8s, 87 /16s and 229 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310687 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249150 Total APNIC prefixes after maximum aggregation: 73404 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241264 Unique aggregates announced from the APNIC address blocks: 101105 APNIC Region origin ASes present in the Internet Routing Table: 14111 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4303 APNIC Region transit ASes present in the Internet Routing Table: 1874 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9566 Number of APNIC addresses announced to Internet: 761048064 Equivalent to 45 /8s, 92 /16s and 172 /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: 275788 Total ARIN prefixes after maximum aggregation: 125012 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280219 Unique aggregates announced from the ARIN address blocks: 134586 ARIN Region origin ASes present in the Internet Routing Table: 19117 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4917 Number of ARIN addresses announced to Internet: 1267238912 Equivalent to 75 /8s, 136 /16s and 136 /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, 393216-402332 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: 265072 Total RIPE prefixes after maximum aggregation: 127256 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 259871 Unique aggregates announced from the RIPE address blocks: 164566 RIPE Region origin ASes present in the Internet Routing Table: 28618 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3881 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11805 Number of RIPE addresses announced to Internet: 713192960 Equivalent to 42 /8s, 130 /16s and 118 /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: 121499 Total LACNIC prefixes after maximum aggregation: 28698 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119695 Unique aggregates announced from the LACNIC address blocks: 50133 LACNIC Region origin ASes present in the Internet Routing Table: 11092 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2379 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8987 Number of LACNIC addresses announced to Internet: 176684032 Equivalent to 10 /8s, 135 /16s and 252 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31495 Total AfriNIC prefixes after maximum aggregation: 6197 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42348 Unique aggregates announced from the AfriNIC address blocks: 13398 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 23.03 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 350 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 107174144 Equivalent to 6 /8s, 99 /16s and 89 /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 9825 8742 62 CHINAMOBILE-CN China Mobile Communicati 7545 5637 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4244 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3936 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3277 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2796 862 398 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2197 434 199 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9981 11390 3562 AMAZON-02, US 11492 4627 307 586 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3549 8782 873 COGENT-174, US 22773 3462 3024 216 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54901 2502 DNIC-AS-00749, US 16625 3023 1303 2192 AKAMAI-AS, US 7018 2885 23668 1817 ATT-INTERNET4, US 396982 2759 3633 408 GOOGLE-CLOUD-PLATFORM, 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 7735 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3785 3396 129 AKAMAI-ASN1, NL 9009 3527 302 1761 M247, RO 12389 2916 2294 870 ROSTELECOM-AS, RU 34984 2350 362 580 TELLCOM-AS, TR 8551 1763 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1677 122 1216 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1520 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 12172 3322 506 UNINET, MX 10620 3514 492 936 Telmex Colombia S.A., CO 13999 2545 355 668 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1323 784 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1244 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1130 315 480 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1074 2503 53 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 1586 389 20 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1215 77 74 ORANGE-COTE-IVOIRE, CI 36935 934 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 37342 470 32 1 MOVITEL, MZ 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 12172 3322 506 UNINET, MX 16509 9981 11390 3562 AMAZON-02, US 9808 9825 8742 62 CHINAMOBILE-CN China Mobile Communicati 12479 7735 1708 145 UNI2-AS, ES 7545 5637 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4627 307 586 CABLEONE, US 18403 4244 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3936 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9825 9763 CHINAMOBILE-CN China Mobile Communications Grou 12479 7735 7590 UNI2-AS, ES 16509 9981 6419 AMAZON-02, US 7545 5637 4966 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4244 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4627 4041 CABLEONE, US 7552 3936 3915 VIETEL-AS-AP Viettel Group, VN 20940 3785 3656 AKAMAI-ASN1, NL 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 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.112.0/24 Origin: 3741 IS, ZA 41.57.112.0/24 Transit: 2914 NTT-LTD-2914, 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 /10:36 /11:93 /12:298 /13:572 /14:1168 /15:2050 /16:13205 /17:8134 /18:13602 /19:24346 /20:43047 /21:51114 /22:110656 /23:99065 /24:576581 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6825 7735 UNI2-AS, ES 8151 6217 12172 UNINET, MX 11492 3536 4627 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2569 3462 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2117 9981 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1519 3:346 4:6 5:4547 6:162 7:6 8:1507 9:1 11:172 12:1461 13:360 14:2371 15:319 16:217 17:365 18:759 20:385 21:4 22:188 23:6808 24:2710 25:2 27:2550 29:19 31:2578 32:45 34:65 35:134 36:2309 37:4458 38:7611 39:896 40:133 41:4093 42:2057 43:2341 44:322 45:17096 46:4492 47:307 49:1958 50:1910 51:577 52:1582 54:313 55:998 56:8 57:182 58:2072 59:1195 60:1032 61:2627 62:2720 63:1878 64:5480 65:2317 66:4641 67:2990 68:1312 69:4097 70:1179 71:580 72:2877 74:2584 75:1550 76:622 77:2480 78:1860 79:1781 80:2197 81:2014 82:1617 83:1348 84:1666 85:3159 86:909 87:2021 88:1218 89:4105 90:679 91:8121 92:2314 93:2704 94:3713 95:4197 96:1277 97:315 98:1036 99:737 100:72 101:1166 102:3451 103:32453 104:4776 105:677 106:959 107:2455 108:1141 109:3997 110:2139 111:3252 112:2057 113:1761 114:1805 115:2067 116:1875 117:2663 118:2790 119:1995 120:1773 121:1301 122:2683 123:2213 124:1613 125:2860 126:32 128:1407 129:913 130:1154 131:1844 132:801 133:412 134:1735 135:322 136:1113 137:1043 138:2822 139:1528 140:1375 141:1353 142:1653 143:1566 144:1006 145:367 146:2070 147:1956 148:2515 149:2744 150:1035 151:1350 152:2220 153:525 154:6877 155:1488 156:2270 157:1827 158:1152 159:2309 160:2686 161:1700 162:3560 163:1704 164:1658 165:2155 166:1262 167:1796 168:3966 169:793 170:4921 171:1024 172:3857 173:3038 174:892 175:1231 176:3457 177:4738 178:3681 179:2219 180:2388 181:3757 182:3352 183:1984 184:2260 185:20791 186:4995 187:4522 188:4052 189:4205 190:9421 191:1529 192:10995 193:9103 194:7505 195:5306 196:3190 197:2612 198:5920 199:7883 200:7992 201:6234 202:10205 203:10147 204:4569 205:3622 206:4427 207:3489 208:4148 209:5009 210:4398 211:2527 212:4316 213:3486 214:1065 215:49 216:6790 217:3008 218:1294 219:413 220:1817 221:1036 222:695 223:2213 End of report