IPv4 R&E Routing Table Report 23:05 GMT Sun 26 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: 970778 Prefixes after maximum aggregation (per Origin AS): 371105 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472960 Number of IPv4 prefixes with a valid ROA: 524348 Number of IPv4 prefixes with an invalid ROA: 1139 Number of IPv4 prefixes with no ROA: 445291 Total ASes present in the Internet Routing Table: 76415 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65584 Origin ASes announcing only one prefix: 26857 Transit ASes present in the Internet Routing Table: 10831 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 1067 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 46075 Number of 32-bit ASNs visible in the Routing Table: 37659 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: 508 Number of addresses announced to Internet: 3115255040 Equivalent to 185 /8s, 175 /16s and 5 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 317800 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255012 Total APNIC prefixes after maximum aggregation: 76274 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246681 Unique aggregates announced from the APNIC address blocks: 102592 APNIC Region origin ASes present in the Internet Routing Table: 14426 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4415 APNIC Region transit ASes present in the Internet Routing Table: 1934 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9952 Number of APNIC addresses announced to Internet: 755164416 Equivalent to 45 /8s, 2 /16s and 229 /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: 285748 Total ARIN prefixes after maximum aggregation: 126853 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287257 Unique aggregates announced from the ARIN address blocks: 134500 ARIN Region origin ASes present in the Internet Routing Table: 19172 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7027 ARIN Region transit ASes present in the Internet Routing Table: 1923 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: 5110 Number of ARIN addresses announced to Internet: 1344878592 Equivalent to 80 /8s, 41 /16s and 56 /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: 270689 Total RIPE prefixes after maximum aggregation: 131480 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267751 Unique aggregates announced from the RIPE address blocks: 171205 RIPE Region origin ASes present in the Internet Routing Table: 28837 RIPE Prefixes per ASN: 9.28 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 3945 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: 12216 Number of RIPE addresses announced to Internet: 733237248 Equivalent to 43 /8s, 180 /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: 123698 Total LACNIC prefixes after maximum aggregation: 29145 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 121071 Unique aggregates announced from the LACNIC address blocks: 48837 LACNIC Region origin ASes present in the Internet Routing Table: 11186 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2487 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9118 Number of LACNIC addresses announced to Internet: 177379584 Equivalent to 10 /8s, 146 /16s and 153 /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: 6687 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 47510 Unique aggregates announced from the AfriNIC address blocks: 15403 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 24.95 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 365 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: 1263 Number of AfriNIC addresses announced to Internet: 104333312 Equivalent to 6 /8s, 56 /16s and 0 /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 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6204 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4203 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4164 528 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2829 850 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2225 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 12604 38869 3726 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 174 4178 8760 876 COGENT-174, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 6327 3615 1320 81 SHAW, CA 22773 3383 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2907 3657 445 GOOGLE-CLOUD-PLATFORM, US 16625 2875 1234 2137 AKAMAI-AS, US 30036 2572 358 278 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 7725 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3891 3395 125 AKAMAI-ASN1, NL 9009 3754 322 1904 M247, RO 12389 2983 2302 888 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1904 136 1404 CDNEXT, GB 8452 1616 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 11653 3206 600 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2512 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1137 374 163 Axtel, S.A.B. de C.V., MX 6147 1108 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1002 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 1682 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1546 97 106 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 839 1083 15 MOBINIL, EG 6713 558 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 12604 38869 3726 AMAZON-02, US 8151 11653 3206 600 UNINET, MX 9808 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7725 1711 144 UNI2-AS, ES 7545 6204 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4203 347 24 FPT-AS-AP FPT Telecom Company, VN 174 4178 8760 876 COGENT-174, US 7155 4176 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 11653 11053 UNINET, MX 9808 10336 10248 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7581 UNI2-AS, ES 7545 6204 5541 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4203 4179 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 9498 4164 3890 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 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 23.132.192.0/24 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /12:309 /13:586 /14:1217 /15:2145 /16:13914 /17:8210 /18:13612 /19:24461 /20:43727 /21:51798 /22:111844 /23:100537 /24:598251 /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 6686 7725 UNI2-AS, ES 8151 5862 11653 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2246 12604 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2304 2:1521 3:565 4:9 5:4561 6:165 7:6 8:1546 9:1 11:172 12:1386 13:348 14:2496 15:339 16:270 17:359 18:903 20:450 21:4 22:188 23:7218 24:2733 25:2 27:2697 29:19 31:3109 32:37 34:73 35:184 36:2402 37:4545 38:9064 39:895 40:155 41:4170 42:1923 43:2518 44:348 45:18175 46:4950 47:293 49:1984 50:1873 51:589 52:1572 54:307 55:1086 56:9 57:234 58:2207 59:1185 60:1162 61:2858 62:2926 63:1826 64:5495 65:2200 66:4605 67:3017 68:1167 69:4022 70:1101 71:603 72:2856 74:2773 75:1637 76:629 77:2607 78:1849 79:1722 80:2206 81:2048 82:2026 83:1412 84:1799 85:3276 86:998 87:2160 88:1274 89:4365 90:754 91:8315 92:2784 93:2900 94:3846 95:4157 96:1288 97:308 98:987 99:737 100:71 101:1378 102:3581 103:32363 104:4627 105:750 106:1014 107:2603 108:1186 109:4074 110:2220 111:3361 112:2045 113:1798 114:1941 115:2161 116:2024 117:2745 118:2854 119:1939 120:1869 121:1348 122:2727 123:2153 124:1597 125:2873 126:94 128:1566 129:953 130:1251 131:1870 132:805 133:451 134:1513 135:323 136:1336 137:1095 138:2898 139:1593 140:1525 141:1473 142:1834 143:1597 144:1036 145:466 146:2126 147:2051 148:2584 149:2840 150:1207 151:1625 152:2084 153:504 154:8005 155:1549 156:3491 157:1873 158:1251 159:2417 160:3518 161:1802 162:3640 163:1781 164:1689 165:2172 166:1334 167:1871 168:4086 169:787 170:5055 171:1001 172:4113 173:3190 174:916 175:1285 176:3596 177:4860 178:3749 179:2217 180:2528 181:3957 182:3368 183:2048 184:2266 185:21397 186:5107 187:4346 188:4231 189:4102 190:9597 191:1555 192:11228 193:9350 194:7710 195:5457 196:3210 197:3673 198:6034 199:8289 200:8008 201:6319 202:10321 203:10524 204:4530 205:3617 206:4618 207:3484 208:4191 209:5121 210:4497 211:2519 212:4526 213:3743 214:1044 215:42 216:6599 217:3096 218:1334 219:376 220:2110 221:1052 222:718 223:2315 End of report