IPv4 R&E Routing Table Report 23:05 GMT Tue 05 Mar, 2024 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: 933151 Prefixes after maximum aggregation (per Origin AS): 357203 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458041 Number of IPv4 prefixes with a valid ROA: 449689 Number of IPv4 prefixes with an invalid ROA: 1075 Number of IPv4 prefixes with no ROA: 482387 Total ASes present in the Internet Routing Table: 75300 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64810 Origin ASes announcing only one prefix: 26591 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 468 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1084 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 43763 Number of 32-bit ASNs visible in the Routing Table: 35935 Prefixes from 32-bit ASNs in the Routing Table: 181355 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: 535 Number of addresses announced to Internet: 3040604672 Equivalent to 181 /8s, 59 /16s and 242 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308364 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245853 Total APNIC prefixes after maximum aggregation: 72241 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238630 Unique aggregates announced from the APNIC address blocks: 100110 APNIC Region origin ASes present in the Internet Routing Table: 13930 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4217 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9362 Number of APNIC addresses announced to Internet: 774158080 Equivalent to 46 /8s, 36 /16s and 183 /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: 272433 Total ARIN prefixes after maximum aggregation: 123520 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277150 Unique aggregates announced from the ARIN address blocks: 132587 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4849 Number of ARIN addresses announced to Internet: 1269920000 Equivalent to 75 /8s, 177 /16s and 113 /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: 262405 Total RIPE prefixes after maximum aggregation: 125878 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257318 Unique aggregates announced from the RIPE address blocks: 162140 RIPE Region origin ASes present in the Internet Routing Table: 28553 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11635 Number of RIPE addresses announced to Internet: 712575232 Equivalent to 42 /8s, 121 /16s and 9 /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: 121054 Total LACNIC prefixes after maximum aggregation: 28796 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119561 Unique aggregates announced from the LACNIC address blocks: 49528 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2618 LACNIC Region transit ASes present in the Internet Routing Table: 2360 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: 8911 Number of LACNIC addresses announced to Internet: 177378816 Equivalent to 10 /8s, 146 /16s and 150 /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: 30322 Total AfriNIC prefixes after maximum aggregation: 6054 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39957 Unique aggregates announced from the AfriNIC address blocks: 13241 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1178 Number of AfriNIC addresses announced to Internet: 106262784 Equivalent to 6 /8s, 85 /16s and 113 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4601 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3863 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2750 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9673 11293 3333 AMAZON-02, US 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3217 6644 669 COGENT-174, US 749 3201 54920 2453 DNIC-AS-00749, US 16625 3177 1379 2276 AKAMAI-AS, US 367 2888 3629 1406 DNIC-ASBLK-00306-00371, US 396982 2759 3639 396 GOOGLE-CLOUD-PLATFORM, 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 7625 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3865 3395 126 AKAMAI-ASN1, NL 9009 3282 285 1599 M247, RO 12389 2892 2304 907 ROSTELECOM-AS, RU 8551 2654 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 594 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 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 12521 3347 601 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2512 343 655 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1066 2503 53 TIM SA, BR 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 1550 545 28 RAYA-AS, EG 24863 1521 389 20 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1162 75 59 ORANGE-COTE-IVOIRE, CI 36935 952 523 49 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 53 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 37342 424 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 12521 3347 601 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9673 11293 3333 AMAZON-02, US 12479 7625 1714 147 UNI2-AS, ES 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4601 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3865 3395 126 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7625 7478 UNI2-AS, ES 16509 9673 6340 AMAZON-02, US 7545 5656 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4601 4576 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4578 3929 CABLEONE, US 7552 3863 3842 VIETEL-AS-AP Viettel Group, VN 20940 3865 3739 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 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 CROWNCASTLE-AS46887, 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 46887 CROWNCASTLE-AS46887, 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 6939 HURRICANE, 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 /9:14 /10:36 /11:98 /12:299 /13:573 /14:1191 /15:2058 /16:13336 /17:8117 /18:13571 /19:24532 /20:43084 /21:50807 /22:109645 /23:97988 /24:567778 /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 6738 7625 UNI2-AS, ES 8151 6480 12521 UNINET, MX 11492 3491 4578 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2130 2654 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2129 3524 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 2:1552 3:307 4:6 5:4499 6:161 7:6 8:1496 9:1 11:172 12:1468 13:383 14:2350 15:314 16:208 17:368 18:742 20:352 21:4 22:188 23:6608 24:2697 25:2 27:2627 29:19 31:2602 32:45 34:46 35:122 36:2195 37:4489 38:7059 39:894 40:140 41:4072 42:2200 43:2307 44:324 45:16852 46:4350 47:283 49:1896 50:1899 51:576 52:1585 54:311 55:862 56:5 57:145 58:1970 59:1121 60:1022 61:2610 62:2693 63:1900 64:5513 65:2319 66:4671 67:3047 68:1338 69:4045 70:1197 71:574 72:2898 74:2575 75:1554 76:631 77:2385 78:1835 79:2473 80:2146 81:1927 82:1503 83:1244 84:1642 85:3086 86:835 87:1974 88:1233 89:4006 90:682 91:7962 92:2194 93:2629 94:3619 95:4109 96:1286 97:312 98:1036 99:743 100:91 101:1160 102:3097 103:32456 104:4752 105:616 106:928 107:2763 108:1128 109:4042 110:2138 111:3164 112:2056 113:1761 114:1768 115:1973 116:1939 117:2622 118:2771 119:1967 120:1786 121:1267 122:2673 123:2195 124:1604 125:2837 126:28 128:1456 129:917 130:1074 131:1815 132:811 133:410 134:1709 135:314 136:918 137:1022 138:2795 139:1530 140:1367 141:1353 142:1550 143:1493 144:1014 145:339 146:2018 147:1698 148:2491 149:2557 150:1026 151:1322 152:1973 153:526 154:5720 155:1359 156:2088 157:1567 158:1094 159:2227 160:2601 161:1615 162:3598 163:1711 164:1618 165:2109 166:1069 167:1704 168:3949 169:784 170:4727 171:992 172:3832 173:3015 174:898 175:1216 176:3650 177:4534 178:3523 179:2219 180:2363 181:3665 182:3397 183:2026 184:2262 185:20610 186:4889 187:4427 188:4001 189:4075 190:9315 191:1433 192:10955 193:9015 194:7426 195:5252 196:3123 197:2548 198:5904 199:7332 200:8066 201:6362 202:10198 203:10121 204:4535 205:3724 206:4432 207:3411 208:4123 209:4963 210:4372 211:2485 212:4266 213:3404 214:1108 215:44 216:6752 217:2804 218:1314 219:406 220:1828 221:1023 222:695 223:2202 End of report