IPv4 R&E Routing Table Report 23:05 GMT Thu 16 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: 968444 Prefixes after maximum aggregation (per Origin AS): 370064 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 471871 Number of IPv4 prefixes with a valid ROA: 522250 Number of IPv4 prefixes with an invalid ROA: 1257 Number of IPv4 prefixes with no ROA: 444937 Total ASes present in the Internet Routing Table: 76377 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65536 Origin ASes announcing only one prefix: 26855 Transit ASes present in the Internet Routing Table: 10841 Transit-only ASes present in the Internet Routing Table: 517 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 1060 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 46067 Number of 32-bit ASNs visible in the Routing Table: 37610 Prefixes from 32-bit ASNs in the Routing Table: 197556 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: 503 Number of addresses announced to Internet: 3117983488 Equivalent to 185 /8s, 216 /16s and 167 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316681 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254768 Total APNIC prefixes after maximum aggregation: 76092 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246535 Unique aggregates announced from the APNIC address blocks: 102454 APNIC Region origin ASes present in the Internet Routing Table: 14414 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4408 APNIC Region transit ASes present in the Internet Routing Table: 1922 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9931 Number of APNIC addresses announced to Internet: 757011712 Equivalent to 45 /8s, 31 /16s and 21 /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: 284864 Total ARIN prefixes after maximum aggregation: 126595 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286565 Unique aggregates announced from the ARIN address blocks: 134320 ARIN Region origin ASes present in the Internet Routing Table: 19164 ARIN Prefixes per ASN: 14.95 ARIN Region origin ASes announcing only one prefix: 7005 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 5098 Number of ARIN addresses announced to Internet: 1346093568 Equivalent to 80 /8s, 59 /16s and 194 /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: 269909 Total RIPE prefixes after maximum aggregation: 131064 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266909 Unique aggregates announced from the RIPE address blocks: 170541 RIPE Region origin ASes present in the Internet Routing Table: 28811 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 3949 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: 12195 Number of RIPE addresses announced to Internet: 732925440 Equivalent to 43 /8s, 175 /16s and 142 /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: 123475 Total LACNIC prefixes after maximum aggregation: 28973 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120908 Unique aggregates announced from the LACNIC address blocks: 48861 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2502 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: 9117 Number of LACNIC addresses announced to Internet: 177447680 Equivalent to 10 /8s, 147 /16s and 163 /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: 34368 Total AfriNIC prefixes after maximum aggregation: 6674 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 47024 Unique aggregates announced from the AfriNIC address blocks: 15270 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 24.58 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 366 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: 1269 Number of AfriNIC addresses announced to Internet: 104244224 Equivalent to 6 /8s, 54 /16s and 164 /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 10311 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4093 525 275 BBIL-AP BHARTI Airtel Ltd., IN 7552 3909 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 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 12569 38856 3686 AMAZON-02, US 11492 4694 312 550 CABLEONE, US 174 4203 8763 883 COGENT-174, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 6327 3614 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2899 3657 442 GOOGLE-CLOUD-PLATFORM, US 16625 2871 1236 2124 AKAMAI-AS, US 30036 2577 360 270 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 7648 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3909 3395 125 AKAMAI-ASN1, NL 9009 3734 321 1898 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2369 361 578 TELLCOM-AS, TR 212238 1895 135 1400 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1499 99 752 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 11621 3228 602 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1335 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1167 374 163 Axtel, S.A.B. de C.V., MX 11664 1100 275 34 Techtel LMDS Comunicaciones Interactivas 22884 1075 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6147 1050 371 22 Telefonica del Peru S.A.A., PE 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 1672 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1541 97 110 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 860 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 552 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 12569 38856 3686 AMAZON-02, US 8151 11621 3228 602 UNINET, MX 9808 10311 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7648 1709 143 UNI2-AS, ES 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4694 312 550 CABLEONE, US 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4203 8763 883 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 11621 11019 UNINET, MX 9808 10311 10224 CHINAMOBILE-CN China Mobile Communications Grou 12479 7648 7505 UNI2-AS, ES 7545 6199 5535 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4316 4293 FPT-AS-AP FPT Telecom Company, VN 11492 4694 4144 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3909 3884 VIETEL-AS-AP Viettel Group, VN 9498 4093 3818 BBIL-AP BHARTI Airtel Ltd., IN 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 23.132.100.0/24 Origin: 401568 MEMIL, US 23.132.100.0/24 Transit: 20473 AS-VULTR, 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 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 /12:311 /13:587 /14:1218 /15:2143 /16:13940 /17:8197 /18:13616 /19:24455 /20:43714 /21:51781 /22:111792 /23:100223 /24:596300 /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 6612 7648 UNI2-AS, ES 8151 5818 11621 UNINET, MX 11492 3555 4694 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3614 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2250 12569 AMAZON-02, US 30036 2238 2577 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2295 2:1553 3:545 4:9 5:4499 6:165 7:6 8:1550 9:1 11:172 12:1387 13:355 14:2492 15:334 16:270 17:359 18:902 20:449 21:4 22:188 23:7191 24:2730 25:2 27:2660 29:19 31:3073 32:37 34:73 35:184 36:2400 37:4495 38:9044 39:895 40:154 41:4164 42:1971 43:2517 44:346 45:18097 46:4940 47:293 49:2003 50:1860 51:587 52:1571 54:307 55:1031 56:8 57:234 58:2210 59:1183 60:1160 61:2839 62:2917 63:1836 64:5399 65:2201 66:4606 67:3006 68:1167 69:3990 70:1103 71:600 72:2855 74:2773 75:1637 76:632 77:2596 78:1846 79:1702 80:2209 81:2036 82:1851 83:1415 84:1794 85:3273 86:984 87:2177 88:1274 89:4337 90:752 91:8313 92:2751 93:2869 94:3836 95:4159 96:1268 97:309 98:981 99:737 100:71 101:1372 102:3514 103:32344 104:4569 105:744 106:1014 107:2603 108:1184 109:4059 110:2226 111:3375 112:2042 113:1803 114:1933 115:2175 116:2024 117:2760 118:2871 119:1947 120:1870 121:1352 122:2727 123:2159 124:1590 125:2860 126:62 128:1573 129:937 130:1241 131:1860 132:806 133:450 134:1513 135:325 136:1307 137:1095 138:2893 139:1569 140:1515 141:1459 142:1816 143:1608 144:1033 145:467 146:2124 147:2035 148:2586 149:2843 150:1201 151:1620 152:2081 153:499 154:7882 155:1540 156:3395 157:1868 158:1251 159:2425 160:3491 161:1790 162:3635 163:1772 164:1682 165:2155 166:1331 167:1870 168:4093 169:784 170:5076 171:1000 172:3989 173:3173 174:915 175:1279 176:3589 177:4930 178:3727 179:2227 180:2524 181:3955 182:3359 183:2070 184:2265 185:21333 186:5109 187:4315 188:4227 189:4094 190:9537 191:1563 192:11212 193:9345 194:7680 195:5418 196:3193 197:3588 198:6004 199:8285 200:8045 201:6313 202:10294 203:10502 204:4541 205:3640 206:4611 207:3484 208:4200 209:5094 210:4534 211:2517 212:4514 213:3727 214:1051 215:42 216:6571 217:3075 218:1334 219:372 220:2107 221:1051 222:720 223:2306 End of report