IPv4 R&E Routing Table Report 23:05 GMT Wed 05 Feb, 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: 970949 Prefixes after maximum aggregation (per Origin AS): 371928 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473807 Number of IPv4 prefixes with a valid ROA: 526976 Number of IPv4 prefixes with an invalid ROA: 1067 Number of IPv4 prefixes with no ROA: 442906 Total ASes present in the Internet Routing Table: 76422 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65577 Origin ASes announcing only one prefix: 26857 Transit ASes present in the Internet Routing Table: 10845 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 46097 Number of 32-bit ASNs visible in the Routing Table: 37707 Prefixes from 32-bit ASNs in the Routing Table: 198474 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: 494 Number of addresses announced to Internet: 3111245312 Equivalent to 185 /8s, 113 /16s and 214 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318182 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254991 Total APNIC prefixes after maximum aggregation: 76361 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246574 Unique aggregates announced from the APNIC address blocks: 102574 APNIC Region origin ASes present in the Internet Routing Table: 14431 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4410 APNIC Region transit ASes present in the Internet Routing Table: 1936 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: 9953 Number of APNIC addresses announced to Internet: 753105408 Equivalent to 44 /8s, 227 /16s and 122 /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: 285739 Total ARIN prefixes after maximum aggregation: 127255 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287283 Unique aggregates announced from the ARIN address blocks: 134971 ARIN Region origin ASes present in the Internet Routing Table: 19177 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7029 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5132 Number of ARIN addresses announced to Internet: 1343405824 Equivalent to 80 /8s, 18 /16s and 191 /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: 271185 Total RIPE prefixes after maximum aggregation: 131733 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268340 Unique aggregates announced from the RIPE address blocks: 171639 RIPE Region origin ASes present in the Internet Routing Table: 28839 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12070 RIPE Region transit ASes present in the Internet Routing Table: 3961 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12240 Number of RIPE addresses announced to Internet: 732217600 Equivalent to 43 /8s, 164 /16s and 193 /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: 123151 Total LACNIC prefixes after maximum aggregation: 29192 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120458 Unique aggregates announced from the LACNIC address blocks: 48856 LACNIC Region origin ASes present in the Internet Routing Table: 11183 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2491 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: 9116 Number of LACNIC addresses announced to Internet: 177871616 Equivalent to 10 /8s, 154 /16s and 27 /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: 34846 Total AfriNIC prefixes after maximum aggregation: 6737 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 47800 Unique aggregates announced from the AfriNIC address blocks: 15356 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 25.04 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 370 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104388608 Equivalent to 6 /8s, 56 /16s and 216 /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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6208 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4203 529 272 BBIL-AP BHARTI Airtel Ltd., IN 18403 4184 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3916 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2841 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 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 12676 38936 3752 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 174 3642 8760 878 COGENT-174, US 6327 3623 1320 81 SHAW, CA 22773 3382 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2919 3659 445 GOOGLE-CLOUD-PLATFORM, US 16625 2889 1241 2137 AKAMAI-AS, US 30036 2581 359 271 MEDIACOM-ENTERPRISE-BUSINESS, 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 7742 1713 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3881 3395 125 AKAMAI-ASN1, NL 9009 3728 320 1911 M247, RO 12389 2985 2302 890 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1908 136 1406 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1488 98 748 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 11702 3224 605 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2509 539 366 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 371 22 Telefonica del Peru S.A.A., PE 22884 1075 97 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 278 33 Techtel LMDS Comunicaciones Interactivas 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 1681 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1537 97 99 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1018 523 45 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 533 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 12676 38936 3752 AMAZON-02, US 8151 11702 3224 605 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7742 1713 145 UNI2-AS, ES 7545 6208 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 9498 4203 529 272 BBIL-AP BHARTI Airtel Ltd., IN 18403 4184 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4180 287 86 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 11702 11097 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7742 7597 UNI2-AS, ES 7545 6208 5543 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4184 4161 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4203 3931 BBIL-AP BHARTI Airtel Ltd., IN 7552 3916 3891 VIETEL-AS-AP Viettel Group, VN 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 23.140.16.0/24 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 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 /10:42 /11:92 /12:307 /13:585 /14:1214 /15:2143 /16:13894 /17:8213 /18:13629 /19:24459 /20:43721 /21:51780 /22:111860 /23:100466 /24:598512 /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 6703 7742 UNI2-AS, ES 8151 5909 11702 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2517 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 12676 AMAZON-02, US 30036 2241 2581 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 3540 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 2:1510 3:570 4:9 5:4583 6:165 7:6 8:1545 9:1 11:172 12:1385 13:340 14:2501 15:343 16:270 17:358 18:911 20:450 21:4 22:188 23:7226 24:2732 25:2 27:2709 29:19 31:3109 32:38 34:78 35:199 36:2403 37:4610 38:8613 39:895 40:152 41:4204 42:1914 43:2499 44:346 45:18178 46:4968 47:293 49:1985 50:1865 51:590 52:1572 54:307 55:1139 56:9 57:237 58:2207 59:1182 60:1167 61:2842 62:2930 63:1824 64:5483 65:2202 66:4609 67:3029 68:1163 69:4005 70:1112 71:608 72:2849 74:2783 75:1639 76:628 77:2615 78:1849 79:1688 80:2205 81:2045 82:2251 83:1421 84:1794 85:3298 86:1017 87:2179 88:1273 89:4380 90:755 91:8335 92:2795 93:2863 94:3919 95:4167 96:1291 97:308 98:993 99:734 100:71 101:1376 102:3675 103:32360 104:4664 105:757 106:1017 107:2606 108:1156 109:4075 110:2216 111:3385 112:2042 113:1785 114:1938 115:2163 116:2033 117:2737 118:2841 119:1932 120:1870 121:1348 122:2741 123:2150 124:1596 125:2878 126:94 128:1556 129:949 130:1266 131:1864 132:780 133:450 134:1524 135:321 136:1332 137:1099 138:2885 139:1587 140:1542 141:1476 142:1832 143:1606 144:1057 145:461 146:2135 147:2058 148:2599 149:2845 150:1200 151:1650 152:2018 153:504 154:7947 155:1608 156:3570 157:1877 158:1262 159:2413 160:3532 161:1851 162:3650 163:1778 164:1696 165:2172 166:1319 167:1875 168:4068 169:791 170:5041 171:1001 172:4281 173:3233 174:918 175:1279 176:3598 177:4765 178:3782 179:2225 180:2537 181:3983 182:3368 183:2034 184:2261 185:21438 186:5051 187:4269 188:4217 189:4122 190:9520 191:1528 192:11152 193:9359 194:7725 195:5470 196:3197 197:3692 198:6045 199:8295 200:8000 201:6302 202:10318 203:10512 204:4531 205:3632 206:4604 207:3499 208:4187 209:5116 210:4492 211:2521 212:4509 213:3732 214:1060 215:42 216:6612 217:3102 218:1334 219:376 220:2113 221:1052 222:716 223:2311 End of report