IPv4 R&E Routing Table Report 23:05 GMT Sat 11 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: 967656 Prefixes after maximum aggregation (per Origin AS): 369879 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469954 Number of IPv4 prefixes with a valid ROA: 520979 Number of IPv4 prefixes with an invalid ROA: 1309 Number of IPv4 prefixes with no ROA: 445368 Total ASes present in the Internet Routing Table: 76348 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65509 Origin ASes announcing only one prefix: 26820 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 517 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 46023 Number of 32-bit ASNs visible in the Routing Table: 37575 Prefixes from 32-bit ASNs in the Routing Table: 196737 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: 502 Number of addresses announced to Internet: 3119010560 Equivalent to 185 /8s, 232 /16s and 83 /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: 316366 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254423 Total APNIC prefixes after maximum aggregation: 76072 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246224 Unique aggregates announced from the APNIC address blocks: 102530 APNIC Region origin ASes present in the Internet Routing Table: 14412 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4406 APNIC Region transit ASes present in the Internet Routing Table: 1929 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9926 Number of APNIC addresses announced to Internet: 757064704 Equivalent to 45 /8s, 31 /16s and 228 /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: 285111 Total ARIN prefixes after maximum aggregation: 126297 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286874 Unique aggregates announced from the ARIN address blocks: 132566 ARIN Region origin ASes present in the Internet Routing Table: 19158 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 6989 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 5095 Number of ARIN addresses announced to Internet: 1347095296 Equivalent to 80 /8s, 75 /16s and 11 /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: 269672 Total RIPE prefixes after maximum aggregation: 130853 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266680 Unique aggregates announced from the RIPE address blocks: 170348 RIPE Region origin ASes present in the Internet Routing Table: 28797 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3950 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: 12177 Number of RIPE addresses announced to Internet: 732839424 Equivalent to 43 /8s, 174 /16s and 62 /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: 123064 Total LACNIC prefixes after maximum aggregation: 29352 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 120497 Unique aggregates announced from the LACNIC address blocks: 48856 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2495 Average LACNIC Region AS path length visible: 5.4 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: 177468416 Equivalent to 10 /8s, 147 /16s and 244 /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: 34326 Total AfriNIC prefixes after maximum aggregation: 6641 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 46879 Unique aggregates announced from the AfriNIC address blocks: 15234 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 24.62 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263 Number of AfriNIC addresses announced to Internet: 104282368 Equivalent to 6 /8s, 55 /16s and 57 /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 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4082 524 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 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 12615 38898 3294 AMAZON-02, US 11492 4693 312 549 CABLEONE, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US 174 4165 8761 869 COGENT-174, US 6327 3615 1320 79 SHAW, CA 22773 3381 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2894 3656 440 GOOGLE-CLOUD-PLATFORM, US 16625 2883 1240 2133 AKAMAI-AS, US 7018 2741 23260 1864 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 7667 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3902 3395 125 AKAMAI-ASN1, NL 9009 3762 323 1901 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1885 135 1392 CDNEXT, GB 8452 1630 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 11593 3226 606 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2527 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 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 1112 371 22 Telefonica del Peru S.A.A., PE 22884 1069 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1003 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 24835 1669 593 29 RAYA-AS, EG 24863 1645 389 18 LINKdotNET-AS, EG 29571 1578 100 96 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1017 523 45 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 530 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 12615 38898 3294 AMAZON-02, US 8151 11593 3226 606 UNINET, MX 9808 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7667 1709 143 UNI2-AS, ES 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4693 312 549 CABLEONE, US 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 85 VIASAT-SP-BACKBONE, US 174 4165 8761 869 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 11593 10987 UNINET, MX 9808 10232 10145 CHINAMOBILE-CN China Mobile Communications Grou 12479 7667 7524 UNI2-AS, ES 7545 6198 5534 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4316 4293 FPT-AS-AP FPT Telecom Company, VN 11492 4693 4144 CABLEONE, US 7155 4169 4084 VIASAT-SP-BACKBONE, US 7552 3915 3890 VIETEL-AS-AP Viettel Group, VN 9498 4082 3808 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 /13:589 /14:1218 /15:2148 /16:13948 /17:8209 /18:13640 /19:24445 /20:43680 /21:51744 /22:111731 /23:100122 /24:595704 /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 6632 7667 UNI2-AS, ES 8151 5786 11593 UNINET, MX 11492 3555 4693 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3117 4169 VIASAT-SP-BACKBONE, US 22773 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2254 12615 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2295 2:1542 3:547 4:9 5:4506 6:165 7:6 8:1551 9:1 11:172 12:1388 13:357 14:2484 15:334 16:270 17:358 18:906 20:449 21:4 22:188 23:7160 24:2731 25:2 27:2657 29:19 31:3048 32:37 34:72 35:177 36:2395 37:4506 38:9043 39:882 40:155 41:4140 42:1964 43:2496 44:345 45:18052 46:4943 47:292 49:2003 50:1866 51:587 52:1571 54:307 55:1030 56:8 57:234 58:2204 59:1181 60:1160 61:2834 62:2914 63:1828 64:5408 65:2204 66:4617 67:3017 68:1228 69:3982 70:1104 71:600 72:2856 74:2779 75:1633 76:633 77:2592 78:1846 79:1707 80:2214 81:2034 82:1827 83:1416 84:1795 85:3273 86:982 87:2158 88:1270 89:4331 90:755 91:8310 92:2760 93:2842 94:3835 95:4163 96:1266 97:311 98:1007 99:733 100:71 101:1367 102:3490 103:32351 104:4543 105:748 106:1012 107:2602 108:1184 109:4067 110:2225 111:3335 112:2037 113:1785 114:1934 115:2167 116:2022 117:2741 118:2879 119:1948 120:1866 121:1351 122:2726 123:2160 124:1589 125:2867 126:62 128:1566 129:937 130:1241 131:1868 132:799 133:450 134:1512 135:322 136:1336 137:1098 138:2885 139:1549 140:1519 141:1460 142:1819 143:1595 144:1038 145:465 146:2121 147:2032 148:2589 149:2848 150:1199 151:1613 152:2112 153:498 154:7872 155:1591 156:3379 157:1878 158:1252 159:2428 160:3469 161:1779 162:3628 163:1771 164:1686 165:2158 166:1340 167:1862 168:4067 169:789 170:5049 171:1000 172:3999 173:3166 174:914 175:1277 176:3574 177:4836 178:3725 179:2223 180:2525 181:3971 182:3349 183:2071 184:2264 185:21340 186:5050 187:4220 188:4234 189:4104 190:9594 191:1539 192:11210 193:9313 194:7670 195:5416 196:3243 197:3573 198:5997 199:8272 200:7993 201:6287 202:10285 203:10478 204:4555 205:3645 206:4614 207:3484 208:4191 209:5095 210:4533 211:2516 212:4517 213:3738 214:1050 215:48 216:6584 217:3081 218:1331 219:376 220:2107 221:1047 222:716 223:2303 End of report