IPv4 R&E Routing Table Report 23:05 GMT Fri 07 Mar, 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: 973290 Prefixes after maximum aggregation (per Origin AS): 373101 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476381 Number of IPv4 prefixes with a valid ROA: 534098 Number of IPv4 prefixes with an invalid ROA: 1041 Number of IPv4 prefixes with no ROA: 438151 Total ASes present in the Internet Routing Table: 76502 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65648 Origin ASes announcing only one prefix: 26881 Transit ASes present in the Internet Routing Table: 10854 Transit-only ASes present in the Internet Routing Table: 532 Paths with bogon ASNs present in the IPv4 Routing Table: 16 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: 978 Number of instances of unregistered ASNs: 997 Number of 32-bit ASNs allocated by the RIRs: 46172 Number of 32-bit ASNs visible in the Routing Table: 37860 Prefixes from 32-bit ASNs in the Routing Table: 198910 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 458 Number of addresses announced to Internet: 3110593792 Equivalent to 185 /8s, 103 /16s and 229 /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: 319502 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255188 Total APNIC prefixes after maximum aggregation: 76086 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 247008 Unique aggregates announced from the APNIC address blocks: 102589 APNIC Region origin ASes present in the Internet Routing Table: 14483 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4418 APNIC Region transit ASes present in the Internet Routing Table: 1954 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10006 Number of APNIC addresses announced to Internet: 749386240 Equivalent to 44 /8s, 170 /16s and 186 /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, 131072-155961 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: 287191 Total ARIN prefixes after maximum aggregation: 128013 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 287881 Unique aggregates announced from the ARIN address blocks: 136467 ARIN Region origin ASes present in the Internet Routing Table: 19186 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7024 ARIN Region transit ASes present in the Internet Routing Table: 1911 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: 5157 Number of ARIN addresses announced to Internet: 1349974528 Equivalent to 80 /8s, 118 /16s and 250 /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: 271787 Total RIPE prefixes after maximum aggregation: 132392 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269861 Unique aggregates announced from the RIPE address blocks: 172819 RIPE Region origin ASes present in the Internet Routing Table: 28836 RIPE Prefixes per ASN: 9.36 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12280 Number of RIPE addresses announced to Internet: 732778496 Equivalent to 43 /8s, 173 /16s and 80 /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: 123015 Total LACNIC prefixes after maximum aggregation: 29169 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119973 Unique aggregates announced from the LACNIC address blocks: 48833 LACNIC Region origin ASes present in the Internet Routing Table: 11192 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2481 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: 9141 Number of LACNIC addresses announced to Internet: 173698304 Equivalent to 10 /8s, 90 /16s and 109 /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: 35131 Total AfriNIC prefixes after maximum aggregation: 6829 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 48109 Unique aggregates announced from the AfriNIC address blocks: 15278 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.15 AfriNIC Region origin ASes announcing only one prefix: 702 AfriNIC Region transit ASes present in the Internet Routing Table: 375 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: 1276 Number of AfriNIC addresses announced to Internet: 104524544 Equivalent to 6 /8s, 58 /16s and 235 /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 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6211 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4414 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4245 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3272 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2844 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2168 434 197 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 12927 39639 3927 AMAZON-02, US 11492 4671 310 587 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3477 8768 962 COGENT-174, US 22773 3376 3035 178 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2943 1246 2172 AKAMAI-AS, US 396982 2937 3660 454 GOOGLE-CLOUD-PLATFORM, US 30036 2559 353 399 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 7769 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3898 3395 126 AKAMAI-ASN1, NL 9009 3763 322 1940 M247, RO 12389 2977 2303 889 ROSTELECOM-AS, RU 34984 2369 361 581 TELLCOM-AS, TR 212238 2029 146 1498 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1490 1852 14 TE-AS TE-AS, EG 62240 1487 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 11787 3236 591 UNINET, MX 10620 3544 492 962 Telmex Colombia S.A., CO 13999 2505 539 374 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1203 371 22 Telefonica del Peru S.A.A., PE 11664 1168 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1109 374 163 Axtel, S.A.B. de C.V., MX 22884 1047 82 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 599 30 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 29571 1578 100 104 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 851 1083 15 MOBINIL, EG 6713 556 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 12927 39639 3927 AMAZON-02, US 8151 11787 3236 591 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7769 1714 145 UNI2-AS, ES 7545 6211 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4671 310 587 CABLEONE, US 18403 4414 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4245 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 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 11787 11196 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7769 7624 UNI2-AS, ES 7545 6211 5555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4414 4389 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4092 VIASAT-SP-BACKBONE, US 11492 4671 4084 CABLEONE, US 9498 4245 3969 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 3896 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 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 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:304 /13:583 /14:1214 /15:2144 /16:13918 /17:8243 /18:13595 /19:24441 /20:43682 /21:51626 /22:111638 /23:100823 /24:600913 /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 7769 UNI2-AS, ES 8151 5997 11787 UNINET, MX 11492 3527 4671 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2515 3376 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2326 12927 AMAZON-02, US 30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 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) ---------------------------------------------- 1:2338 2:1503 3:583 4:10 5:4551 6:167 7:6 8:1550 9:1 11:172 12:1377 13:346 14:2515 15:350 16:279 17:361 18:926 20:460 21:4 22:188 23:7272 24:3021 25:2 27:2704 29:19 31:3189 32:35 34:82 35:203 36:2408 37:4610 38:8731 39:897 40:153 41:4217 42:2008 43:2523 44:355 45:18326 46:4979 47:288 49:1980 50:1886 51:590 52:1564 54:302 55:857 56:9 57:241 58:2219 59:1221 60:1166 61:2821 62:2911 63:1824 64:5496 65:2170 66:4603 67:3016 68:1118 69:3950 70:1108 71:605 72:2857 74:2772 75:1650 76:610 77:2685 78:1862 79:1712 80:2190 81:2009 82:2732 83:1395 84:1808 85:3356 86:1028 87:2152 88:1276 89:4317 90:780 91:8317 92:2791 93:2893 94:3907 95:4265 96:1410 97:318 98:970 99:739 100:71 101:1396 102:3665 103:32264 104:4797 105:741 106:997 107:2587 108:1201 109:4108 110:2228 111:3323 112:2044 113:1800 114:1943 115:2122 116:2036 117:2756 118:2880 119:1940 120:1877 121:1358 122:2755 123:2163 124:1608 125:2884 126:88 128:1544 129:956 130:1265 131:1853 132:777 133:451 134:1525 135:330 136:1274 137:1107 138:2886 139:1603 140:1553 141:1467 142:1823 143:1619 144:1061 145:474 146:2145 147:2073 148:2588 149:2858 150:1241 151:1951 152:2100 153:504 154:7881 155:1607 156:3291 157:1905 158:1269 159:2422 160:3564 161:1922 162:3673 163:1865 164:1695 165:2189 166:1382 167:1869 168:4027 169:776 170:5064 171:1000 172:4432 173:3221 174:912 175:1277 176:3656 177:4740 178:3777 179:2232 180:2568 181:4021 182:3370 183:2071 184:2299 185:21457 186:5069 187:4330 188:4209 189:4196 190:9614 191:1534 192:11126 193:9390 194:7739 195:5504 196:3243 197:3756 198:6071 199:8372 200:8032 201:6299 202:10337 203:10512 204:4499 205:3609 206:4529 207:3441 208:4168 209:5138 210:4505 211:2526 212:4501 213:3735 214:1057 215:41 216:6569 217:3101 218:1332 219:375 220:2107 221:1052 222:717 223:2317 End of report