IPv4 R&E Routing Table Report 23:05 GMT Sat 12 Oct, 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: 954928 Prefixes after maximum aggregation (per Origin AS): 365844 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468729 Number of IPv4 prefixes with a valid ROA: 503919 Number of IPv4 prefixes with an invalid ROA: 1188 Number of IPv4 prefixes with no ROA: 449821 Total ASes present in the Internet Routing Table: 76089 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65375 Origin ASes announcing only one prefix: 26799 Transit ASes present in the Internet Routing Table: 10714 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN (198039) 50 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 45538 Number of 32-bit ASNs visible in the Routing Table: 37132 Prefixes from 32-bit ASNs in the Routing Table: 192320 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3030326016 Equivalent to 180 /8s, 159 /16s and 27 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 313594 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251804 Total APNIC prefixes after maximum aggregation: 74919 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243931 Unique aggregates announced from the APNIC address blocks: 101998 APNIC Region origin ASes present in the Internet Routing Table: 14297 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4341 APNIC Region transit ASes present in the Internet Routing Table: 1894 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9785 Number of APNIC addresses announced to Internet: 758778880 Equivalent to 45 /8s, 58 /16s and 12 /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: 280126 Total ARIN prefixes after maximum aggregation: 125789 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283256 Unique aggregates announced from the ARIN address blocks: 135366 ARIN Region origin ASes present in the Internet Routing Table: 19125 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5017 Number of ARIN addresses announced to Internet: 1267294720 Equivalent to 75 /8s, 137 /16s and 98 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 267244 Total RIPE prefixes after maximum aggregation: 129171 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263944 Unique aggregates announced from the RIPE address blocks: 168074 RIPE Region origin ASes present in the Internet Routing Table: 28746 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12033 Number of RIPE addresses announced to Internet: 722244864 Equivalent to 43 /8s, 12 /16s and 149 /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, 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: 122068 Total LACNIC prefixes after maximum aggregation: 28801 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119760 Unique aggregates announced from the LACNIC address blocks: 48552 LACNIC Region origin ASes present in the Internet Routing Table: 11150 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2467 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9048 Number of LACNIC addresses announced to Internet: 177521920 Equivalent to 10 /8s, 148 /16s and 197 /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: 32694 Total AfriNIC prefixes after maximum aggregation: 6527 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 43511 Unique aggregates announced from the AfriNIC address blocks: 14298 AfriNIC Region origin ASes present in the Internet Routing Table: 1885 AfriNIC Prefixes per ASN: 23.08 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: 5.4 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1249 Number of AfriNIC addresses announced to Internet: 104203264 Equivalent to 6 /8s, 54 /16s and 4 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4493 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3982 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3838 510 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2775 828 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2208 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2200 434 194 TATACOMM-AS TATA Communications formerly 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 10879 11906 3806 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4487 8766 874 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3415 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3199 23678 1979 ATT-INTERNET4, US 396982 2865 3652 422 GOOGLE-CLOUD-PLATFORM, US 16625 2800 1226 2106 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 7650 1708 141 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3798 3395 125 AKAMAI-ASN1, NL 9009 3634 312 1845 M247, RO 12389 2928 2295 882 ROSTELECOM-AS, RU 34984 2333 357 578 TELLCOM-AS, TR 212238 1772 130 1315 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1474 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11535 3243 503 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2549 534 363 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1150 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 22884 1054 97 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1046 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 1615 389 16 LINKdotNET-AS, EG 24835 1605 557 28 RAYA-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1343 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 864 523 48 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 37069 541 1100 11 MOBINIL, EG 36914 524 82 3 KENET-AS, KE 15399 508 57 58 WANANCHI-, 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 11535 3243 503 UNINET, MX 16509 10879 11906 3806 AMAZON-02, US 9808 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 12479 7650 1708 141 UNI2-AS, ES 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4493 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4487 8766 874 COGENT-174, US 7155 4163 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 10058 9987 CHINAMOBILE-CN China Mobile Communications Grou 12479 7650 7509 UNI2-AS, ES 16509 10879 7073 AMAZON-02, US 7545 5960 5303 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4493 4470 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3982 3957 VIETEL-AS-AP Viettel Group, VN 20940 3798 3673 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.40.0/24 Origin: 202736 WISDOM, SG 23.139.40.0/24 Transit: 984 OWS, 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 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 /12:296 /13:576 /14:1171 /15:2057 /16:13105 /17:8172 /18:13601 /19:24245 /20:43499 /21:51577 /22:111322 /23:99252 /24:585896 /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 6710 7650 UNI2-AS, ES 8151 5715 11535 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2547 3415 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2224 10879 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2174 2513 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1520 3:502 4:8 5:4475 6:169 7:6 8:1507 9:1 11:172 12:1425 13:369 14:2430 15:330 16:263 17:355 18:892 20:410 21:4 22:188 23:6852 24:2645 25:2 27:2651 29:19 31:2806 32:44 34:68 35:140 36:2355 37:4537 38:8661 39:919 40:153 41:4121 42:2150 43:2403 44:337 45:17534 46:4654 47:300 49:2004 50:1874 51:581 52:1579 54:318 55:955 56:8 57:221 58:2167 59:1191 60:1132 61:2768 62:2780 63:1854 64:5406 65:2269 66:4642 67:2997 68:1322 69:4007 70:1129 71:566 72:2862 74:2777 75:1626 76:630 77:2576 78:1865 79:1653 80:2190 81:2022 82:1739 83:1375 84:1742 85:3088 86:1006 87:2151 88:1256 89:4334 90:669 91:8237 92:2597 93:2792 94:3788 95:4295 96:1262 97:316 98:1071 99:740 100:74 101:1162 102:3413 103:32148 104:4452 105:705 106:984 107:2384 108:1163 109:4005 110:2180 111:3314 112:2046 113:1773 114:1915 115:2106 116:1958 117:2713 118:2872 119:1983 120:1869 121:1349 122:2688 123:2137 124:1613 125:2831 126:64 128:1394 129:930 130:1234 131:1823 132:808 133:444 134:1510 135:313 136:1215 137:1068 138:2858 139:1525 140:1456 141:1437 142:1767 143:1570 144:1020 145:387 146:2078 147:2044 148:2533 149:2824 150:1063 151:1385 152:2103 153:499 154:7033 155:1477 156:2579 157:1825 158:1201 159:2437 160:3181 161:1734 162:3566 163:1744 164:1930 165:2136 166:1292 167:1848 168:4060 169:776 170:4910 171:1028 172:3885 173:3106 174:904 175:1269 176:3465 177:4746 178:3581 179:2214 180:2488 181:3877 182:3320 183:2054 184:2261 185:21089 186:5051 187:4210 188:4243 189:4057 190:9646 191:1522 192:11029 193:9248 194:7583 195:5396 196:3215 197:3062 198:5905 199:8168 200:8060 201:6317 202:10213 203:10358 204:4550 205:3641 206:4579 207:3577 208:4187 209:5123 210:4496 211:2564 212:4487 213:3622 214:1067 215:48 216:6625 217:2991 218:1317 219:394 220:2058 221:1047 222:716 223:2240 End of report