IPv4 R&E Routing Table Report 23:05 GMT Sun 24 Dec, 2023 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: 930075 Prefixes after maximum aggregation (per Origin AS): 356120 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455630 Number of IPv4 prefixes with a valid ROA: 434244 Number of IPv4 prefixes with an invalid ROA: 1141 Number of IPv4 prefixes with no ROA: 494690 Total ASes present in the Internet Routing Table: 74987 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64611 Origin ASes announcing only one prefix: 26533 Transit ASes present in the Internet Routing Table: 10376 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1015 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 35525 Prefixes from 32-bit ASNs in the Routing Table: 178270 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3046596096 Equivalent to 181 /8s, 151 /16s and 94 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309619 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244649 Total APNIC prefixes after maximum aggregation: 71531 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237782 Unique aggregates announced from the APNIC address blocks: 99495 APNIC Region origin ASes present in the Internet Routing Table: 13771 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4139 APNIC Region transit ASes present in the Internet Routing Table: 1839 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9173 Number of APNIC addresses announced to Internet: 770547968 Equivalent to 45 /8s, 237 /16s and 161 /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: 272683 Total ARIN prefixes after maximum aggregation: 124280 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277398 Unique aggregates announced from the ARIN address blocks: 132718 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1836 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1275384576 Equivalent to 76 /8s, 4 /16s and 211 /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, 393216-401308 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: 261713 Total RIPE prefixes after maximum aggregation: 125000 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256369 Unique aggregates announced from the RIPE address blocks: 160805 RIPE Region origin ASes present in the Internet Routing Table: 28493 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3881 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11482 Number of RIPE addresses announced to Internet: 714328576 Equivalent to 42 /8s, 147 /16s and 202 /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: 119731 Total LACNIC prefixes after maximum aggregation: 28587 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118406 Unique aggregates announced from the LACNIC address blocks: 49427 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8892 Number of LACNIC addresses announced to Internet: 178347776 Equivalent to 10 /8s, 161 /16s and 95 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30284 Total AfriNIC prefixes after maximum aggregation: 6012 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39616 Unique aggregates announced from the AfriNIC address blocks: 12767 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107695104 Equivalent to 6 /8s, 107 /16s and 76 /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 9770 8737 47 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3407 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3270 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 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 9463 11200 3349 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3468 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3199 1418 2326 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2965 3855 1414 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2523 23623 1571 ATT-INTERNET4, 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 7565 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3992 3397 139 AKAMAI-ASN1, NL 9009 3501 301 1635 M247, RO 8551 3362 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2301 911 ROSTELECOM-AS, RU 34984 2332 360 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 871 586 TCI, IR 44477 1452 95 719 STARK-INDUSTRIES, 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 12149 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1244 341 502 Axtel, S.A.B. de C.V., MX 11664 1099 177 430 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 518 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 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 12149 3382 599 UNINET, MX 9808 9770 8737 47 CHINAMOBILE-CN China Mobile Communicati 16509 9463 11200 3349 AMAZON-02, US 12479 7565 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3992 3397 139 AKAMAI-ASN1, NL 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 9770 9723 CHINAMOBILE-CN China Mobile Communications Grou 12479 7565 7419 UNI2-AS, ES 16509 9463 6114 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4532 4507 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3992 3853 AKAMAI-ASN1, NL 7552 3650 3630 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:99 /12:298 /13:577 /14:1191 /15:2058 /16:13388 /17:8158 /18:13648 /19:24750 /20:43143 /21:51200 /22:109931 /23:99164 /24:562395 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6653 7565 UNI2-AS, ES 8151 6153 12149 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2839 3362 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2284 2:1405 3:283 4:5 5:4393 6:163 7:6 8:1491 9:1 11:172 12:1489 13:375 14:2330 15:309 16:206 17:360 18:709 20:344 21:4 22:188 23:6554 24:2596 25:2 27:2554 29:19 31:2541 32:53 34:36 35:116 36:2101 37:4474 38:5769 39:882 40:147 41:4094 42:2189 43:2300 44:325 45:16607 46:4379 47:286 49:1899 50:1883 51:573 52:1595 54:377 55:886 56:5 57:127 58:1858 59:1115 60:1012 61:2596 62:2743 63:1905 64:5498 65:2343 66:4963 67:3042 68:1329 69:4053 70:1160 71:609 72:2921 74:2625 75:1548 76:625 77:2338 78:1822 79:3014 80:2111 81:1859 82:1523 83:1322 84:1603 85:2971 86:790 87:1966 88:1227 89:3949 90:658 91:7908 92:2175 93:2628 94:3578 95:3994 96:1298 97:316 98:1014 99:737 100:94 101:1153 102:3013 103:32493 104:4790 105:600 106:975 107:2764 108:1143 109:4162 110:2128 111:3153 112:2071 113:1713 114:1744 115:2007 116:1931 117:2579 118:2765 119:1947 120:1770 121:1241 122:2633 123:2174 124:1594 125:2766 128:1421 129:900 130:1066 131:1963 132:825 133:411 134:1704 135:293 136:911 137:1033 138:2725 139:1548 140:1338 141:1348 142:1533 143:1523 144:999 145:337 146:2017 147:1636 148:2485 149:2378 150:1013 151:1310 152:1839 153:528 154:5408 155:1369 156:2091 157:1369 158:1080 159:2199 160:2617 161:1612 162:3594 163:1628 164:1612 165:1854 166:1067 167:1736 168:3824 169:787 170:4687 171:976 172:3766 173:3014 174:891 175:1215 176:3575 177:4646 178:3521 179:2195 180:2345 181:3613 182:3407 183:2026 184:2269 185:20463 186:4808 187:4295 188:3929 189:3950 190:9351 191:1492 192:10991 193:8971 194:7342 195:5215 196:3130 197:2611 198:5907 199:6830 200:8009 201:6244 202:10197 203:10050 204:4571 205:3658 206:4389 207:3382 208:4074 209:4908 210:4324 211:2495 212:4211 213:3374 214:1117 215:49 216:6761 217:2767 218:1289 219:415 220:1798 221:1019 222:702 223:2195 End of report