IPv4 R&E Routing Table Report 23:05 GMT Tue 24 Dec, 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: 965292 Prefixes after maximum aggregation (per Origin AS): 368576 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 468217 Number of IPv4 prefixes with a valid ROA: 518075 Number of IPv4 prefixes with an invalid ROA: 1121 Number of IPv4 prefixes with no ROA: 446096 Total ASes present in the Internet Routing Table: 76344 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 65555 Origin ASes announcing only one prefix: 26836 Transit ASes present in the Internet Routing Table: 10789 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1039 Number of instances of unregistered ASNs: 1044 Number of 32-bit ASNs allocated by the RIRs: 46013 Number of 32-bit ASNs visible in the Routing Table: 37535 Prefixes from 32-bit ASNs in the Routing Table: 195884 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: 483 Number of addresses announced to Internet: 3115688704 Equivalent to 185 /8s, 181 /16s and 163 /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: 316297 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252914 Total APNIC prefixes after maximum aggregation: 75567 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245427 Unique aggregates announced from the APNIC address blocks: 102410 APNIC Region origin ASes present in the Internet Routing Table: 14405 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4413 APNIC Region transit ASes present in the Internet Routing Table: 1901 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9914 Number of APNIC addresses announced to Internet: 756633856 Equivalent to 45 /8s, 25 /16s and 81 /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: 285036 Total ARIN prefixes after maximum aggregation: 125965 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286761 Unique aggregates announced from the ARIN address blocks: 132171 ARIN Region origin ASes present in the Internet Routing Table: 19166 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1923 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: 5091 Number of ARIN addresses announced to Internet: 1344170752 Equivalent to 80 /8s, 30 /16s and 107 /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: 268963 Total RIPE prefixes after maximum aggregation: 130546 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265873 Unique aggregates announced from the RIPE address blocks: 169742 RIPE Region origin ASes present in the Internet Routing Table: 28813 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3942 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: 12167 Number of RIPE addresses announced to Internet: 733127936 Equivalent to 43 /8s, 178 /16s and 165 /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: 123203 Total LACNIC prefixes after maximum aggregation: 29260 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120680 Unique aggregates announced from the LACNIC address blocks: 48788 LACNIC Region origin ASes present in the Internet Routing Table: 11173 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2482 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: 9097 Number of LACNIC addresses announced to Internet: 177496576 Equivalent to 10 /8s, 148 /16s and 98 /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: 34137 Total AfriNIC prefixes after maximum aggregation: 6589 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 46068 Unique aggregates announced from the AfriNIC address blocks: 14701 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 24.13 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 362 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: 1266 Number of AfriNIC addresses announced to Internet: 104002816 Equivalent to 6 /8s, 50 /16s and 245 /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 10095 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6195 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4500 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4045 523 280 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2827 845 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 194 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 12495 37822 3202 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4257 8764 880 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3391 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3257 23513 2064 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2829 1228 2115 AKAMAI-AS, 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 7707 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3875 3395 125 AKAMAI-ASN1, NL 9009 3709 319 1868 M247, RO 12389 2959 2296 883 ROSTELECOM-AS, RU 34984 2354 360 576 TELLCOM-AS, TR 212238 1846 133 1360 CDNEXT, GB 8452 1629 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 99 750 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 11523 3227 605 UNINET, MX 10620 3544 494 943 Telmex Colombia S.A., CO 13999 2534 540 369 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 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1067 98 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1002 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 1650 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1464 93 59 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1017 523 45 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 849 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 536 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 12495 37822 3202 AMAZON-02, US 8151 11523 3227 605 UNINET, MX 9808 10095 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7707 1709 143 UNI2-AS, ES 7545 6195 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4500 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4257 8764 880 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, 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 11523 10918 UNINET, MX 9808 10095 10008 CHINAMOBILE-CN China Mobile Communications Grou 12479 7707 7564 UNI2-AS, ES 7545 6195 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4500 4477 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4045 3765 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 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 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 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /12:310 /13:589 /14:1219 /15:2147 /16:13933 /17:8187 /18:13627 /19:24480 /20:43670 /21:51703 /22:111590 /23:99862 /24:593808 /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 6679 7707 UNI2-AS, ES 8151 5716 11523 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2265 12495 AMAZON-02, US 30036 2225 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2300 2:1536 3:537 4:9 5:4478 6:165 7:6 8:1545 9:1 11:172 12:1397 13:357 14:2468 15:334 16:269 17:359 18:903 20:446 21:4 22:188 23:7151 24:2744 25:2 27:2662 29:19 31:3037 32:37 34:72 35:175 36:2391 37:4496 38:8995 39:880 40:150 41:4152 42:2103 43:2483 44:340 45:17942 46:4965 47:297 49:1990 50:1865 51:587 52:1574 54:315 55:1034 56:8 57:232 58:2206 59:1177 60:1154 61:2831 62:2877 63:1828 64:5412 65:2215 66:4622 67:3019 68:1285 69:3983 70:1106 71:595 72:2858 74:2776 75:1634 76:630 77:2565 78:1849 79:1692 80:2200 81:2033 82:1785 83:1406 84:1780 85:3197 86:973 87:2158 88:1261 89:4307 90:760 91:8286 92:2736 93:2834 94:3841 95:4192 96:1248 97:308 98:1065 99:732 100:71 101:1417 102:3478 103:32251 104:4425 105:747 106:1004 107:2602 108:1183 109:4047 110:2227 111:3309 112:2038 113:1819 114:1931 115:2162 116:2010 117:2686 118:2887 119:1960 120:1856 121:1331 122:2724 123:2160 124:1584 125:2818 126:62 128:1545 129:936 130:1255 131:1843 132:795 133:450 134:1503 135:322 136:1323 137:1094 138:2892 139:1547 140:1514 141:1452 142:1832 143:1584 144:1025 145:426 146:2117 147:2031 148:2580 149:2826 150:1183 151:1487 152:2104 153:500 154:7654 155:1573 156:2919 157:1856 158:1190 159:2427 160:3417 161:1746 162:3606 163:1775 164:1683 165:2151 166:1347 167:1860 168:4097 169:799 170:5035 171:999 172:3997 173:3182 174:914 175:1279 176:3553 177:4856 178:3720 179:2249 180:2524 181:3967 182:3356 183:2091 184:2258 185:21282 186:5048 187:4209 188:4207 189:4097 190:9603 191:1568 192:11203 193:9290 194:7683 195:5412 196:3187 197:3582 198:5976 199:8283 200:8074 201:6296 202:10253 203:10470 204:4608 205:3640 206:4613 207:3493 208:4211 209:5077 210:4479 211:2503 212:4495 213:3752 214:1048 215:48 216:6603 217:3079 218:1323 219:373 220:2112 221:1051 222:676 223:2278 End of report