IPv4 R&E Routing Table Report 23:05 GMT Sun 01 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: 962101 Prefixes after maximum aggregation (per Origin AS): 367936 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471315 Number of IPv4 prefixes with a valid ROA: 513081 Number of IPv4 prefixes with an invalid ROA: 1091 Number of IPv4 prefixes with no ROA: 447929 Total ASes present in the Internet Routing Table: 76287 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65527 Origin ASes announcing only one prefix: 26812 Transit ASes present in the Internet Routing Table: 10760 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 90 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1046 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 45931 Number of 32-bit ASNs visible in the Routing Table: 37435 Prefixes from 32-bit ASNs in the Routing Table: 195066 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 475 Number of addresses announced to Internet: 3025436928 Equivalent to 180 /8s, 84 /16s and 129 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253280 Total APNIC prefixes after maximum aggregation: 75233 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 245619 Unique aggregates announced from the APNIC address blocks: 101774 APNIC Region origin ASes present in the Internet Routing Table: 14383 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: 1899 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9884 Number of APNIC addresses announced to Internet: 755539456 Equivalent to 45 /8s, 8 /16s and 158 /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: 282338 Total ARIN prefixes after maximum aggregation: 126334 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284559 Unique aggregates announced from the ARIN address blocks: 136238 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5067 Number of ARIN addresses announced to Internet: 1265944320 Equivalent to 75 /8s, 116 /16s and 199 /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: 268689 Total RIPE prefixes after maximum aggregation: 130137 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265828 Unique aggregates announced from the RIPE address blocks: 169634 RIPE Region origin ASes present in the Internet Routing Table: 28793 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12131 Number of RIPE addresses announced to Internet: 721995008 Equivalent to 43 /8s, 8 /16s and 197 /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: 122633 Total LACNIC prefixes after maximum aggregation: 29047 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120182 Unique aggregates announced from the LACNIC address blocks: 48688 LACNIC Region origin ASes present in the Internet Routing Table: 11156 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2633 LACNIC Region transit ASes present in the Internet Routing Table: 2486 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: 9083 Number of LACNIC addresses announced to Internet: 177515008 Equivalent to 10 /8s, 148 /16s and 170 /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: 34115 Total AfriNIC prefixes after maximum aggregation: 6539 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 45438 Unique aggregates announced from the AfriNIC address blocks: 14581 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 23.80 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 90 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 104188160 Equivalent to 6 /8s, 53 /16s and 201 /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 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6162 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4632 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3960 518 288 BBIL-AP BHARTI Airtel Ltd., IN 7552 3903 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2800 835 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2217 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 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 11085 11968 3946 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4610 8764 886 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3403 3035 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3212 23567 2048 ATT-INTERNET4, US 396982 2884 3655 433 GOOGLE-CLOUD-PLATFORM, US 16625 2804 1223 2096 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 7670 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3874 3395 125 AKAMAI-ASN1, NL 9009 3671 317 1861 M247, RO 12389 2941 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1830 133 1350 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1490 98 746 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 11469 3222 607 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 537 371 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 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 1659 593 29 RAYA-AS, EG 24863 1637 389 16 LINKdotNET-AS, EG 29571 1424 90 59 ORANGE-COTE-IVOIRE, CI 36992 1422 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 545 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 8151 11469 3222 607 UNINET, MX 16509 11085 11968 3946 AMAZON-02, US 9808 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7670 1709 143 UNI2-AS, ES 7545 6162 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 18403 4632 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4610 8764 886 COGENT-174, US 7155 4168 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 9808 10067 9982 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7527 UNI2-AS, ES 16509 11085 7139 AMAZON-02, US 7545 6162 5502 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4632 4609 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3903 3878 VIETEL-AS-AP Viettel Group, VN 20940 3874 3749 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-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 46639 UNALLOCATED 8.38.73.0/24 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 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2051 /16:13115 /17:8148 /18:13572 /19:24283 /20:43908 /21:51729 /22:111559 /23:99601 /24:591939 /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 6660 7670 UNI2-AS, ES 8151 5671 11469 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2263 11085 AMAZON-02, US 30036 2206 2546 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2303 2:1540 3:526 4:8 5:4544 6:166 7:6 8:1491 9:1 11:172 12:1410 13:368 14:2463 15:334 16:270 17:359 18:901 20:447 21:4 22:188 23:7042 24:2651 25:2 27:2664 29:19 31:3025 32:38 34:73 35:172 36:2387 37:4476 38:9042 39:891 40:149 41:4162 42:2226 43:2454 44:341 45:17753 46:4916 47:296 49:1999 50:1853 51:586 52:1575 54:316 55:946 56:8 57:230 58:2247 59:1180 60:1153 61:2788 62:2832 63:1839 64:5414 65:2273 66:4613 67:3016 68:1288 69:3995 70:1116 71:589 72:2857 74:2779 75:1631 76:635 77:2558 78:1847 79:1636 80:2196 81:2052 82:1782 83:1398 84:1763 85:3187 86:971 87:2163 88:1253 89:4378 90:732 91:8254 92:2645 93:2834 94:3855 95:4200 96:1243 97:313 98:1067 99:734 100:71 101:1412 102:3452 103:32281 104:4437 105:734 106:983 107:2409 108:1178 109:4029 110:2237 111:3311 112:2037 113:1790 114:1935 115:2167 116:1988 117:2723 118:2867 119:1977 120:1848 121:1349 122:2719 123:2155 124:1609 125:2842 126:62 128:1517 129:935 130:1250 131:1869 132:804 133:448 134:1524 135:323 136:1303 137:1099 138:2847 139:1533 140:1490 141:1453 142:1830 143:1586 144:1025 145:403 146:2101 147:2041 148:2570 149:2809 150:1157 151:1466 152:2105 153:499 154:7298 155:1560 156:2756 157:1865 158:1224 159:2435 160:3367 161:1704 162:3583 163:1775 164:1936 165:2150 166:1339 167:1856 168:4079 169:798 170:5014 171:999 172:3945 173:3140 174:919 175:1273 176:3539 177:4879 178:3717 179:2272 180:2535 181:3944 182:3355 183:2061 184:2262 185:21260 186:5014 187:4205 188:4217 189:4104 190:9581 191:1511 192:11143 193:9261 194:7632 195:5386 196:3205 197:3597 198:5910 199:8219 200:8021 201:6287 202:10247 203:10451 204:4623 205:3630 206:4599 207:3485 208:4207 209:5074 210:4513 211:2523 212:4497 213:3689 214:1056 215:48 216:6567 217:3077 218:1306 219:387 220:2096 221:1051 222:708 223:2285 End of report