IPv4 R&E Routing Table Report 23:05 GMT Wed 20 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): 355932 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455627 Number of IPv4 prefixes with a valid ROA: 434075 Number of IPv4 prefixes with an invalid ROA: 786 Number of IPv4 prefixes with no ROA: 494632 Total ASes present in the Internet Routing Table: 74986 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64494 Origin ASes announcing only one prefix: 26557 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1011 Number of 32-bit ASNs allocated by the RIRs: 43244 Number of 32-bit ASNs visible in the Routing Table: 35522 Prefixes from 32-bit ASNs in the Routing Table: 177927 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: 515 Number of addresses announced to Internet: 3047055872 Equivalent to 181 /8s, 158 /16s and 98 /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: 309855 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244000 Total APNIC prefixes after maximum aggregation: 71390 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237172 Unique aggregates announced from the APNIC address blocks: 99401 APNIC Region origin ASes present in the Internet Routing Table: 13755 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4144 APNIC Region transit ASes present in the Internet Routing Table: 1846 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: 9155 Number of APNIC addresses announced to Internet: 770637568 Equivalent to 45 /8s, 238 /16s and 255 /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: 272502 Total ARIN prefixes after maximum aggregation: 124223 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277197 Unique aggregates announced from the ARIN address blocks: 132705 ARIN Region origin ASes present in the Internet Routing Table: 19028 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1870 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1275393024 Equivalent to 76 /8s, 4 /16s and 244 /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: 261772 Total RIPE prefixes after maximum aggregation: 124979 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256398 Unique aggregates announced from the RIPE address blocks: 160765 RIPE Region origin ASes present in the Internet Routing Table: 28506 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11494 Number of RIPE addresses announced to Internet: 714578688 Equivalent to 42 /8s, 151 /16s and 155 /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: 119874 Total LACNIC prefixes after maximum aggregation: 28613 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118550 Unique aggregates announced from the LACNIC address blocks: 49385 LACNIC Region origin ASes present in the Internet Routing Table: 11042 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2359 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8893 Number of LACNIC addresses announced to Internet: 178338816 Equivalent to 10 /8s, 161 /16s and 60 /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: 30336 Total AfriNIC prefixes after maximum aggregation: 6021 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39661 Unique aggregates announced from the AfriNIC address blocks: 12944 AfriNIC Region origin ASes present in the Internet Routing Table: 1815 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1160 Number of AfriNIC addresses announced to Internet: 107747328 Equivalent to 6 /8s, 108 /16s and 24 /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 9768 8734 47 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4521 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3648 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3264 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2655 856 372 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 9464 11202 3349 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4167 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3474 3038 296 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3195 1415 2322 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2963 3853 1417 DNIC-ASBLK-00306-00371, US 396982 2739 3638 385 GOOGLE-CLOUD-PLATFORM, US 7018 2522 23624 1570 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 7574 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4002 3397 140 AKAMAI-ASN1, NL 9009 3500 301 1635 M247, RO 8551 3370 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2300 909 ROSTELECOM-AS, RU 34984 2331 360 594 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1527 874 585 TCI, IR 44477 1450 95 718 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 12152 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2492 339 635 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 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1097 177 429 Techtel LMDS Comunicaciones Interactiva 6147 1086 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 1596 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 521 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 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 12152 3382 599 UNINET, MX 9808 9768 8734 47 CHINAMOBILE-CN China Mobile Communicati 16509 9464 11202 3349 AMAZON-02, US 12479 7574 1714 146 UNI2-AS, ES 7545 5674 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4521 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4167 288 96 VIASAT-SP-BACKBONE, US 20940 4002 3397 140 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 9768 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7574 7428 UNI2-AS, ES 16509 9464 6115 AMAZON-02, US 7545 5674 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4521 4496 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4071 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4002 3862 AKAMAI-ASN1, NL 7552 3648 3628 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 /16:13395 /17:8160 /18:13643 /19:24754 /20:43124 /21:51162 /22:109897 /23:99098 /24:561962 /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 6660 7574 UNI2-AS, ES 8151 6155 12152 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3113 4167 VIASAT-SP-BACKBONE, US 8551 2847 3370 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2530 3474 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) ---------------------------------------------- 1:2279 2:1409 3:283 4:5 5:4389 6:163 7:6 8:1494 9:1 11:172 12:1489 13:376 14:2328 15:308 16:206 17:359 18:709 20:344 21:4 22:188 23:6548 24:2595 25:2 27:2557 29:19 31:2541 32:53 34:37 35:116 36:2094 37:4482 38:5729 39:882 40:147 41:4115 42:2184 43:2288 44:325 45:16620 46:4385 47:286 49:1895 50:1883 51:571 52:1596 54:385 55:889 56:5 57:126 58:1859 59:1104 60:1011 61:2477 62:2748 63:1905 64:5491 65:2346 66:4965 67:3044 68:1328 69:4043 70:1160 71:609 72:2927 74:2624 75:1551 76:624 77:2340 78:1823 79:3014 80:2112 81:1863 82:1520 83:1318 84:1605 85:2970 86:788 87:1968 88:1226 89:3947 90:657 91:7890 92:2181 93:2631 94:3579 95:4001 96:1298 97:316 98:1017 99:737 100:94 101:1148 102:3005 103:32249 104:4782 105:600 106:978 107:2760 108:1143 109:4166 110:2135 111:3153 112:2075 113:1710 114:1745 115:2004 116:1928 117:2567 118:2758 119:1942 120:1754 121:1240 122:2632 123:2176 124:1582 125:2755 128:1424 129:900 130:1058 131:1991 132:822 133:411 134:1720 135:294 136:908 137:981 138:2727 139:1551 140:1335 141:1357 142:1534 143:1544 144:999 145:335 146:2000 147:1637 148:2488 149:2390 150:1008 151:1310 152:1839 153:528 154:5394 155:1367 156:2095 157:1368 158:1077 159:2200 160:2627 161:1619 162:3590 163:1629 164:1610 165:1853 166:1071 167:1739 168:3831 169:786 170:4681 171:971 172:3764 173:3009 174:891 175:1215 176:3581 177:4708 178:3519 179:2239 180:2343 181:3608 182:3402 183:2025 184:2268 185:20467 186:4819 187:4328 188:3933 189:3991 190:9296 191:1498 192:10966 193:8972 194:7334 195:5209 196:3135 197:2628 198:5903 199:6800 200:8002 201:6251 202:10188 203:10032 204:4569 205:3653 206:4392 207:3380 208:4080 209:4899 210:4322 211:2494 212:4212 213:3368 214:1120 215:49 216:6757 217:2768 218:1289 219:415 220:1796 221:1019 222:699 223:2193 End of report