IPv4 R&E Routing Table Report 23:05 GMT Thu 21 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: 929493 Prefixes after maximum aggregation (per Origin AS): 355989 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455516 Number of IPv4 prefixes with a valid ROA: 434196 Number of IPv4 prefixes with an invalid ROA: 756 Number of IPv4 prefixes with no ROA: 494541 Total ASes present in the Internet Routing Table: 74983 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64614 Origin ASes announcing only one prefix: 26549 Transit ASes present in the Internet Routing Table: 10369 Transit-only ASes present in the Internet Routing Table: 447 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: 1005 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 43246 Number of 32-bit ASNs visible in the Routing Table: 35527 Prefixes from 32-bit ASNs in the Routing Table: 178109 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: 505 Number of addresses announced to Internet: 3046830592 Equivalent to 181 /8s, 154 /16s and 242 /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: 309626 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244094 Total APNIC prefixes after maximum aggregation: 71411 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237268 Unique aggregates announced from the APNIC address blocks: 99430 APNIC Region origin ASes present in the Internet Routing Table: 13759 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4140 APNIC Region transit ASes present in the Internet Routing Table: 1840 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: 9163 Number of APNIC addresses announced to Internet: 770564096 Equivalent to 45 /8s, 237 /16s and 224 /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: 272553 Total ARIN prefixes after maximum aggregation: 124247 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277241 Unique aggregates announced from the ARIN address blocks: 132658 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1833 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: 4821 Number of ARIN addresses announced to Internet: 1275264000 Equivalent to 76 /8s, 2 /16s and 252 /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: 261722 Total RIPE prefixes after maximum aggregation: 124989 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256362 Unique aggregates announced from the RIPE address blocks: 160804 RIPE Region origin ASes present in the Internet Routing Table: 28499 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3875 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: 11488 Number of RIPE addresses announced to Internet: 714608384 Equivalent to 42 /8s, 152 /16s and 15 /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: 119790 Total LACNIC prefixes after maximum aggregation: 28619 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118462 Unique aggregates announced from the LACNIC address blocks: 49409 LACNIC Region origin ASes present in the Internet Routing Table: 11044 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2337 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: 8895 Number of LACNIC addresses announced to Internet: 178349824 Equivalent to 10 /8s, 161 /16s and 103 /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: 30329 Total AfriNIC prefixes after maximum aggregation: 6019 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39655 Unique aggregates announced from the AfriNIC address blocks: 12796 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 343 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: 1160 Number of AfriNIC addresses announced to Internet: 107751936 Equivalent to 6 /8s, 108 /16s and 42 /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 9769 8737 47 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4533 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 3272 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2656 856 373 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 9440 11193 3378 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 3201 1418 2325 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2964 3853 1419 DNIC-ASBLK-00306-00371, US 396982 2741 3639 387 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 7556 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3998 3397 139 AKAMAI-ASN1, NL 9009 3501 301 1636 M247, RO 8551 3366 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2907 2301 911 ROSTELECOM-AS, RU 34984 2331 360 594 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1528 874 586 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 12155 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2483 338 647 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 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 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 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 12155 3382 599 UNINET, MX 9808 9769 8737 47 CHINAMOBILE-CN China Mobile Communicati 16509 9440 11193 3378 AMAZON-02, US 12479 7556 1714 146 UNI2-AS, ES 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3998 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 9769 9722 CHINAMOBILE-CN China Mobile Communications Grou 12479 7556 7410 UNI2-AS, ES 16509 9440 6062 AMAZON-02, US 7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4533 4508 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3998 3859 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 /16:13392 /17:8161 /18:13652 /19:24758 /20:43148 /21:51156 /22:109925 /23:99103 /24:561900 /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 6644 7556 UNI2-AS, ES 8151 6158 12155 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 2843 3366 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 2:1409 3:280 4:5 5:4384 6:163 7:6 8:1492 9:1 11:172 12:1489 13:376 14:2331 15:308 16:206 17:359 18:705 20:344 21:4 22:188 23:6554 24:2596 25:2 27:2555 29:19 31:2538 32:53 34:36 35:116 36:2101 37:4484 38:5765 39:882 40:147 41:4093 42:2188 43:2288 44:324 45:16628 46:4380 47:286 49:1896 50:1886 51:571 52:1599 54:384 55:882 56:5 57:127 58:1859 59:1104 60:1012 61:2477 62:2746 63:1907 64:5495 65:2343 66:4966 67:3045 68:1329 69:4045 70:1160 71:608 72:2926 74:2626 75:1548 76:625 77:2339 78:1823 79:3015 80:2110 81:1863 82:1520 83:1320 84:1605 85:2969 86:788 87:1967 88:1226 89:3945 90:657 91:7892 92:2173 93:2629 94:3581 95:3999 96:1298 97:316 98:1013 99:737 100:94 101:1147 102:3012 103:32294 104:4787 105:600 106:978 107:2757 108:1139 109:4161 110:2124 111:3153 112:2074 113:1712 114:1744 115:2007 116:1932 117:2567 118:2760 119:1944 120:1753 121:1242 122:2631 123:2174 124:1582 125:2764 128:1423 129:900 130:1061 131:1974 132:825 133:411 134:1706 135:295 136:910 137:1032 138:2755 139:1548 140:1338 141:1353 142:1534 143:1543 144:999 145:335 146:2015 147:1636 148:2486 149:2380 150:1012 151:1309 152:1838 153:528 154:5392 155:1371 156:2094 157:1369 158:1079 159:2200 160:2619 161:1617 162:3590 163:1630 164:1611 165:1854 166:1071 167:1737 168:3823 169:787 170:4692 171:975 172:3764 173:3013 174:891 175:1214 176:3582 177:4680 178:3520 179:2208 180:2344 181:3619 182:3407 183:2025 184:2269 185:20452 186:4811 187:4305 188:3930 189:3955 190:9330 191:1471 192:10969 193:8976 194:7330 195:5211 196:3134 197:2608 198:5905 199:6819 200:7950 201:6228 202:10189 203:10036 204:4572 205:3640 206:4384 207:3383 208:4076 209:4912 210:4323 211:2495 212:4211 213:3371 214:1117 215:49 216:6758 217:2766 218:1290 219:415 220:1797 221:1019 222:699 223:2192 End of report