IPv4 R&E Routing Table Report 23:05 GMT Mon 20 Jan, 2025 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: 968233 Prefixes after maximum aggregation (per Origin AS): 370212 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 471983 Number of IPv4 prefixes with a valid ROA: 521218 Number of IPv4 prefixes with an invalid ROA: 927 Number of IPv4 prefixes with no ROA: 446088 Total ASes present in the Internet Routing Table: 76364 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65525 Origin ASes announcing only one prefix: 26854 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1056 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 46119 Number of 32-bit ASNs visible in the Routing Table: 37619 Prefixes from 32-bit ASNs in the Routing Table: 197713 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3117935872 Equivalent to 185 /8s, 215 /16s and 237 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316972 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253909 Total APNIC prefixes after maximum aggregation: 76050 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245823 Unique aggregates announced from the APNIC address blocks: 102365 APNIC Region origin ASes present in the Internet Routing Table: 14413 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4418 APNIC Region transit ASes present in the Internet Routing Table: 1932 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9940 Number of APNIC addresses announced to Internet: 756739840 Equivalent to 45 /8s, 26 /16s and 239 /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: 285192 Total ARIN prefixes after maximum aggregation: 126626 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286836 Unique aggregates announced from the ARIN address blocks: 134314 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7008 ARIN Region transit ASes present in the Internet Routing Table: 1919 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5100 Number of ARIN addresses announced to Internet: 1346186496 Equivalent to 80 /8s, 61 /16s and 45 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 270050 Total RIPE prefixes after maximum aggregation: 131084 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267122 Unique aggregates announced from the RIPE address blocks: 170738 RIPE Region origin ASes present in the Internet Routing Table: 28815 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 12077 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12203 Number of RIPE addresses announced to Internet: 732980480 Equivalent to 43 /8s, 176 /16s and 101 /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, 53/8, 57/8, 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: 123711 Total LACNIC prefixes after maximum aggregation: 29124 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 121128 Unique aggregates announced from the LACNIC address blocks: 48842 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2506 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9114 Number of LACNIC addresses announced to Internet: 177466624 Equivalent to 10 /8s, 147 /16s and 237 /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: 34315 Total AfriNIC prefixes after maximum aggregation: 6666 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 46815 Unique aggregates announced from the AfriNIC address blocks: 15305 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 24.57 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 368 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262 Number of AfriNIC addresses announced to Internet: 104300800 Equivalent to 6 /8s, 55 /16s and 129 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10323 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6200 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4243 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4150 528 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2824 846 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2222 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12588 38855 3693 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4174 8761 882 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3381 3035 182 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2901 3657 442 GOOGLE-CLOUD-PLATFORM, US 16625 2879 1233 2138 AKAMAI-AS, US 30036 2572 358 281 MEDIACOM-ENTERPRISE-BUSINESS, 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 7656 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3920 3395 125 AKAMAI-ASN1, NL 9009 3733 320 1896 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1898 136 1402 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 CLOUVIDER Clouvider - Global ASN, GB 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 11643 3229 599 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2536 538 368 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1079 371 22 Telefonica del Peru S.A.A., PE 22884 1075 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1004 278 33 Techtel LMDS Comunicaciones Interactivas 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 24835 1683 601 30 RAYA-AS, EG 24863 1649 389 19 LINKdotNET-AS, EG 29571 1542 97 105 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 543 82 3 KENET-AS, KE 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 16509 12588 38855 3693 AMAZON-02, US 8151 11643 3229 599 UNINET, MX 9808 10323 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7656 1709 143 UNI2-AS, ES 7545 6200 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4243 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4174 8761 882 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11643 11044 UNINET, MX 9808 10323 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7656 7513 UNI2-AS, ES 7545 6200 5536 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4243 4220 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4150 3872 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 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 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /9:16 /10:42 /11:93 /12:311 /13:587 /14:1218 /15:2145 /16:13925 /17:8201 /18:13614 /19:24450 /20:43696 /21:51780 /22:111805 /23:100376 /24:595958 /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 6618 7656 UNI2-AS, ES 8151 5838 11643 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2248 12588 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2293 2:1549 3:549 4:9 5:4496 6:165 7:6 8:1549 9:1 11:172 12:1387 13:352 14:2496 15:336 16:269 17:358 18:904 20:450 21:4 22:188 23:7210 24:2732 25:2 27:2705 29:19 31:3089 32:37 34:73 35:184 36:2398 37:4504 38:9067 39:894 40:151 41:4137 42:1943 43:2503 44:344 45:18106 46:4945 47:293 49:1990 50:1857 51:587 52:1570 54:307 55:1028 56:8 57:233 58:2208 59:1183 60:1160 61:2839 62:2930 63:1829 64:5409 65:2202 66:4606 67:3009 68:1165 69:3993 70:1102 71:603 72:2854 74:2770 75:1638 76:627 77:2593 78:1844 79:1718 80:2205 81:2040 82:1913 83:1415 84:1790 85:3271 86:992 87:2166 88:1271 89:4348 90:750 91:8314 92:2748 93:2873 94:3833 95:4153 96:1267 97:309 98:981 99:737 100:71 101:1374 102:3516 103:32003 104:4588 105:751 106:1007 107:2602 108:1184 109:4052 110:2221 111:3310 112:2042 113:1786 114:1930 115:2128 116:2025 117:2745 118:2870 119:1949 120:1869 121:1351 122:2724 123:2153 124:1572 125:2862 126:62 128:1575 129:938 130:1244 131:1863 132:802 133:450 134:1502 135:324 136:1334 137:1096 138:2883 139:1574 140:1517 141:1600 142:1831 143:1605 144:1035 145:466 146:2123 147:2040 148:2595 149:2835 150:1203 151:1649 152:2084 153:504 154:7736 155:1539 156:3381 157:1871 158:1254 159:2423 160:3498 161:1794 162:3642 163:1774 164:1684 165:2146 166:1329 167:1860 168:4073 169:777 170:5070 171:1000 172:4010 173:3169 174:916 175:1281 176:3590 177:4919 178:3737 179:2225 180:2527 181:3948 182:3328 183:2058 184:2262 185:21362 186:5121 187:4347 188:4230 189:4126 190:9586 191:1571 192:11217 193:9340 194:7687 195:5444 196:3198 197:3589 198:6009 199:8286 200:8003 201:6312 202:10242 203:10475 204:4528 205:3644 206:4613 207:3486 208:4194 209:5097 210:4489 211:2514 212:4520 213:3739 214:1050 215:42 216:6579 217:3086 218:1334 219:372 220:2107 221:1050 222:720 223:2302 End of report