IPv4 R&E Routing Table Report 23:05 GMT Mon 06 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: 967956 Prefixes after maximum aggregation (per Origin AS): 369721 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469828 Number of IPv4 prefixes with a valid ROA: 520506 Number of IPv4 prefixes with an invalid ROA: 1132 Number of IPv4 prefixes with no ROA: 446318 Total ASes present in the Internet Routing Table: 76322 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65469 Origin ASes announcing only one prefix: 26800 Transit ASes present in the Internet Routing Table: 10853 Transit-only ASes present in the Internet Routing Table: 517 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1052 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 46015 Number of 32-bit ASNs visible in the Routing Table: 37536 Prefixes from 32-bit ASNs in the Routing Table: 196349 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3119957248 Equivalent to 185 /8s, 246 /16s and 197 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 316758 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254227 Total APNIC prefixes after maximum aggregation: 76143 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245787 Unique aggregates announced from the APNIC address blocks: 102480 APNIC Region origin ASes present in the Internet Routing Table: 14411 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4414 APNIC Region transit ASes present in the Internet Routing Table: 1928 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: 9917 Number of APNIC addresses announced to Internet: 756665600 Equivalent to 45 /8s, 25 /16s and 205 /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: 285652 Total ARIN prefixes after maximum aggregation: 126489 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286942 Unique aggregates announced from the ARIN address blocks: 132573 ARIN Region origin ASes present in the Internet Routing Table: 19155 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 5093 Number of ARIN addresses announced to Internet: 1348378112 Equivalent to 80 /8s, 94 /16s and 158 /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: 269318 Total RIPE prefixes after maximum aggregation: 130580 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266337 Unique aggregates announced from the RIPE address blocks: 169993 RIPE Region origin ASes present in the Internet Routing Table: 28790 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3959 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: 12165 Number of RIPE addresses announced to Internet: 732912384 Equivalent to 43 /8s, 175 /16s and 91 /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: 123143 Total LACNIC prefixes after maximum aggregation: 29254 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120635 Unique aggregates announced from the LACNIC address blocks: 48810 LACNIC Region origin ASes present in the Internet Routing Table: 11174 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2494 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: 9101 Number of LACNIC addresses announced to Internet: 177487360 Equivalent to 10 /8s, 148 /16s and 62 /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: 34564 Total AfriNIC prefixes after maximum aggregation: 6596 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 47766 Unique aggregates announced from the AfriNIC address blocks: 15561 AfriNIC Region origin ASes present in the Internet Routing Table: 1899 AfriNIC Prefixes per ASN: 25.15 AfriNIC Region origin ASes announcing only one prefix: 684 AfriNIC Region transit ASes present in the Internet Routing Table: 363 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: 1260 Number of AfriNIC addresses announced to Internet: 104249344 Equivalent to 6 /8s, 54 /16s and 184 /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 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4309 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4061 523 274 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 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2818 845 545 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 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 12596 38848 3283 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4248 8763 869 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3381 3035 182 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3169 23477 2042 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2846 1228 2124 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 7699 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3882 3395 125 AKAMAI-ASN1, NL 9009 3746 322 1891 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1857 133 1370 CDNEXT, GB 8452 1630 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 11549 3227 605 UNINET, MX 10620 3548 494 936 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1331 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 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 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 1636 389 18 LINKdotNET-AS, EG 29571 1492 94 58 ORANGE-COTE-IVOIRE, CI 36992 1426 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 832 1083 15 MOBINIL, EG 6713 557 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 12596 38848 3283 AMAZON-02, US 8151 11549 3227 605 UNINET, MX 9808 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7699 1709 143 UNI2-AS, ES 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4309 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4248 8763 869 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 11549 10944 UNINET, MX 9808 10098 10011 CHINAMOBILE-CN China Mobile Communications Grou 12479 7699 7556 UNI2-AS, ES 7545 6196 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4309 4286 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 4061 3787 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 /12:311 /13:590 /14:1219 /15:2151 /16:13945 /17:8198 /18:13633 /19:24463 /20:43730 /21:51793 /22:111615 /23:99991 /24:596150 /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 6671 7699 UNI2-AS, ES 8151 5742 11549 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 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2254 12596 AMAZON-02, US 30036 2213 2552 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3548 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 2:1538 3:538 4:9 5:4493 6:165 7:6 8:1554 9:1 11:172 12:1391 13:358 14:2471 15:334 16:270 17:357 18:906 20:447 21:4 22:188 23:7158 24:2728 25:2 27:2656 29:19 31:3040 32:37 34:72 35:176 36:2391 37:4500 38:8987 39:881 40:151 41:4161 42:1985 43:2483 44:344 45:18293 46:4949 47:290 49:2003 50:1865 51:587 52:1574 54:308 55:1032 56:8 57:233 58:2202 59:1179 60:1158 61:2837 62:2901 63:1829 64:5412 65:2204 66:4616 67:3023 68:1277 69:3985 70:1105 71:600 72:2854 74:2775 75:1634 76:626 77:2589 78:1847 79:1689 80:2211 81:2037 82:1799 83:1414 84:1795 85:3269 86:974 87:2153 88:1262 89:4319 90:760 91:8292 92:2740 93:2832 94:3835 95:4182 96:1256 97:307 98:1060 99:732 100:72 101:1370 102:3749 103:32314 104:4479 105:748 106:1013 107:2600 108:1185 109:4062 110:2221 111:3323 112:2037 113:1790 114:1937 115:2158 116:2018 117:2688 118:2874 119:1951 120:1859 121:1331 122:2722 123:2164 124:1587 125:2856 126:62 128:1559 129:938 130:1254 131:1858 132:800 133:450 134:1512 135:323 136:1336 137:1098 138:2895 139:1544 140:1516 141:1456 142:1824 143:1590 144:1035 145:435 146:2113 147:2030 148:2588 149:2839 150:1194 151:1571 152:2107 153:500 154:8127 155:1578 156:3504 157:1864 158:1254 159:2429 160:3450 161:1769 162:3613 163:1767 164:1680 165:2152 166:1344 167:1862 168:4088 169:797 170:5053 171:999 172:3993 173:3181 174:915 175:1279 176:3564 177:4863 178:3721 179:2256 180:2521 181:3973 182:3349 183:2069 184:2256 185:21309 186:5058 187:4218 188:4238 189:4078 190:9593 191:1552 192:11200 193:9296 194:7669 195:5408 196:3241 197:3620 198:5998 199:8273 200:7976 201:6292 202:10344 203:10476 204:4594 205:3656 206:4617 207:3489 208:4195 209:5084 210:4481 211:2502 212:4509 213:3753 214:1055 215:48 216:6603 217:3078 218:1327 219:376 220:2109 221:1050 222:716 223:2285 End of report