IPv4 R&E Routing Table Report 23:05 GMT Fri 28 Jun, 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: 946034 Prefixes after maximum aggregation (per Origin AS): 362050 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464940 Number of IPv4 prefixes with a valid ROA: 482684 Number of IPv4 prefixes with an invalid ROA: 1164 Number of IPv4 prefixes with no ROA: 462186 Total ASes present in the Internet Routing Table: 75749 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65046 Origin ASes announcing only one prefix: 26677 Transit ASes present in the Internet Routing Table: 10703 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1002 Number of 32-bit ASNs allocated by the RIRs: 44894 Number of 32-bit ASNs visible in the Routing Table: 36593 Prefixes from 32-bit ASNs in the Routing Table: 187596 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: 542 Number of addresses announced to Internet: 3024179200 Equivalent to 180 /8s, 65 /16s and 80 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311061 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249385 Total APNIC prefixes after maximum aggregation: 73456 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241373 Unique aggregates announced from the APNIC address blocks: 100993 APNIC Region origin ASes present in the Internet Routing Table: 14130 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4295 APNIC Region transit ASes present in the Internet Routing Table: 1875 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9600 Number of APNIC addresses announced to Internet: 761046272 Equivalent to 45 /8s, 92 /16s and 165 /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: 276243 Total ARIN prefixes after maximum aggregation: 125110 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280871 Unique aggregates announced from the ARIN address blocks: 134650 ARIN Region origin ASes present in the Internet Routing Table: 19101 ARIN Prefixes per ASN: 14.70 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4925 Number of ARIN addresses announced to Internet: 1266645248 Equivalent to 75 /8s, 127 /16s and 121 /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, 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: 265575 Total RIPE prefixes after maximum aggregation: 127540 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260335 Unique aggregates announced from the RIPE address blocks: 165151 RIPE Region origin ASes present in the Internet Routing Table: 28643 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3945 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11856 Number of RIPE addresses announced to Internet: 713688064 Equivalent to 42 /8s, 138 /16s and 4 /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: 121899 Total LACNIC prefixes after maximum aggregation: 29057 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119980 Unique aggregates announced from the LACNIC address blocks: 50043 LACNIC Region origin ASes present in the Internet Routing Table: 11114 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2424 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8998 Number of LACNIC addresses announced to Internet: 176795648 Equivalent to 10 /8s, 137 /16s and 176 /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: 31933 Total AfriNIC prefixes after maximum aggregation: 6214 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 42933 Unique aggregates announced from the AfriNIC address blocks: 13657 AfriNIC Region origin ASes present in the Internet Routing Table: 1849 AfriNIC Prefixes per ASN: 23.22 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214 Number of AfriNIC addresses announced to Internet: 105704448 Equivalent to 6 /8s, 76 /16s and 236 /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 9864 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5642 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4244 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3954 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3781 507 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3640 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2823 860 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 420 209 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 10104 11534 3648 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3692 8790 895 COGENT-174, US 6327 3594 1320 79 SHAW, CA 22773 3442 3021 210 ASN-CXA-ALL-CCI-22773-RDC, US 749 3249 54901 2501 DNIC-AS-00749, US 16625 3039 1316 2202 AKAMAI-AS, US 7018 2909 23670 1831 ATT-INTERNET4, US 396982 2766 3611 414 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 7714 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3808 3396 130 AKAMAI-ASN1, NL 9009 3594 306 1818 M247, RO 12389 2906 2294 868 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1780 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1708 123 1240 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1567 1852 14 TE-AS TE-AS, EG 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 11868 3311 508 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2553 357 677 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 775 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1061 97 365 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 1622 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1235 78 74 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 533 82 3 KENET-AS, KE 15399 518 56 56 WANANCHI-, KE 37342 478 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 11868 3311 508 UNINET, MX 16509 10104 11534 3648 AMAZON-02, US 9808 9864 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7714 1708 145 UNI2-AS, ES 7545 5642 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4244 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3954 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9864 9792 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7569 UNI2-AS, ES 16509 10104 6456 AMAZON-02, US 7545 5642 4973 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4244 4221 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3954 3933 VIETEL-AS-AP Viettel Group, VN 20940 3808 3678 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 BTN-ASN, US 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /11:93 /12:296 /13:569 /14:1170 /15:2059 /16:13210 /17:8144 /18:13606 /19:24359 /20:43129 /21:51200 /22:110765 /23:99206 /24:578154 /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 6802 7714 UNI2-AS, ES 8151 5939 11868 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2557 3442 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2128 10104 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2299 2:1500 3:364 4:6 5:4352 6:164 7:6 8:1510 9:1 11:172 12:1446 13:360 14:2364 15:318 16:219 17:367 18:770 20:387 21:4 22:188 23:6866 24:2713 25:2 27:2564 29:19 31:2576 32:45 34:65 35:134 36:2346 37:4472 38:7973 39:899 40:146 41:4103 42:2016 43:2346 44:323 45:17252 46:4499 47:303 49:1959 50:1882 51:582 52:1583 54:313 55:910 56:8 57:212 58:2087 59:1193 60:1039 61:2622 62:2741 63:1875 64:5483 65:2309 66:4593 67:2991 68:1298 69:4049 70:1173 71:577 72:2878 74:2584 75:1550 76:621 77:2497 78:1860 79:1783 80:2191 81:2015 82:1644 83:1352 84:1680 85:3179 86:909 87:2030 88:1224 89:4179 90:684 91:8144 92:2330 93:2697 94:3720 95:4194 96:1287 97:317 98:1027 99:739 100:73 101:1166 102:3515 103:32338 104:4777 105:704 106:992 107:2497 108:1150 109:4027 110:2126 111:3256 112:2039 113:1799 114:1814 115:2075 116:1874 117:2660 118:2804 119:1966 120:1778 121:1300 122:2690 123:2212 124:1613 125:2841 126:32 128:1386 129:921 130:1162 131:1859 132:810 133:413 134:1732 135:323 136:1122 137:1049 138:2867 139:1518 140:1405 141:1377 142:1664 143:1553 144:996 145:370 146:2081 147:1975 148:2538 149:2736 150:1035 151:1369 152:2218 153:518 154:6950 155:1489 156:2281 157:1871 158:1157 159:2314 160:2761 161:1691 162:3531 163:1688 164:1667 165:2145 166:1273 167:1812 168:4038 169:790 170:4938 171:1029 172:3866 173:3044 174:889 175:1239 176:3453 177:4828 178:3676 179:2214 180:2410 181:3781 182:3343 183:1986 184:2254 185:20852 186:4982 187:4414 188:4068 189:4199 190:9461 191:1488 192:11014 193:9144 194:7498 195:5306 196:3201 197:2723 198:5896 199:7940 200:8090 201:6316 202:10171 203:10160 204:4555 205:3647 206:4425 207:3492 208:4142 209:5003 210:4400 211:2529 212:4347 213:3561 214:1054 215:49 216:6750 217:3045 218:1288 219:417 220:1808 221:1038 222:686 223:2219 End of report