IPv4 R&E Routing Table Report 23:05 GMT Sat 17 Feb, 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: 933021 Prefixes after maximum aggregation (per Origin AS): 356492 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456887 Number of IPv4 prefixes with a valid ROA: 446176 Number of IPv4 prefixes with an invalid ROA: 1034 Number of IPv4 prefixes with no ROA: 485811 Total ASes present in the Internet Routing Table: 75208 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64706 Origin ASes announcing only one prefix: 26578 Transit ASes present in the Internet Routing Table: 10502 Transit-only ASes present in the Internet Routing Table: 476 Paths with bogon ASNs present in the IPv4 Routing Table: 21 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: 1066 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 43665 Number of 32-bit ASNs visible in the Routing Table: 35822 Prefixes from 32-bit ASNs in the Routing Table: 180411 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3041357824 Equivalent to 181 /8s, 71 /16s and 112 /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: 309502 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245436 Total APNIC prefixes after maximum aggregation: 72080 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238278 Unique aggregates announced from the APNIC address blocks: 99976 APNIC Region origin ASes present in the Internet Routing Table: 13892 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4190 APNIC Region transit ASes present in the Internet Routing Table: 1853 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9320 Number of APNIC addresses announced to Internet: 773993216 Equivalent to 46 /8s, 34 /16s and 51 /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: 273779 Total ARIN prefixes after maximum aggregation: 123385 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278531 Unique aggregates announced from the ARIN address blocks: 132133 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 4839 Number of ARIN addresses announced to Internet: 1269395968 Equivalent to 75 /8s, 169 /16s and 114 /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: 261757 Total RIPE prefixes after maximum aggregation: 125577 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256519 Unique aggregates announced from the RIPE address blocks: 161629 RIPE Region origin ASes present in the Internet Routing Table: 28537 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11586 Number of RIPE addresses announced to Internet: 713497088 Equivalent to 42 /8s, 135 /16s and 26 /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: 120654 Total LACNIC prefixes after maximum aggregation: 28694 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119215 Unique aggregates announced from the LACNIC address blocks: 49530 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2359 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: 8909 Number of LACNIC addresses announced to Internet: 177965056 Equivalent to 10 /8s, 155 /16s and 136 /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: 6048 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39967 Unique aggregates announced from the AfriNIC address blocks: 13192 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1168 Number of AfriNIC addresses announced to Internet: 106206464 Equivalent to 6 /8s, 84 /16s and 149 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3500 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2711 861 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2182 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9601 11225 3372 AMAZON-02, US 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3594 1320 74 SHAW, CA 16625 3200 1393 2283 AKAMAI-AS, US 749 3184 54927 2435 DNIC-AS-00749, US 174 3140 6637 668 COGENT-174, US 367 2897 3691 1404 DNIC-ASBLK-00306-00371, US 396982 2755 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 7608 1714 147 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3870 3395 127 AKAMAI-ASN1, NL 9009 3281 284 1591 M247, RO 12389 2893 2302 907 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1484 97 711 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 12459 3390 609 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2512 341 649 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1212 340 498 Axtel, S.A.B. de C.V., MX 11664 1138 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 375 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 24835 1547 545 28 RAYA-AS, EG 24863 1523 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1135 73 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 537 82 3 KENET-AS, KE 15399 521 55 51 WANANCHI-, KE 24757 463 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 12459 3390 609 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9601 11225 3372 AMAZON-02, US 12479 7608 1714 147 UNI2-AS, ES 7545 5675 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 7552 3877 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7608 7461 UNI2-AS, ES 16509 9601 6229 AMAZON-02, US 7545 5675 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4603 4578 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4581 3929 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3870 3743 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 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 /12:300 /13:574 /14:1190 /15:2057 /16:13338 /17:8106 /18:13557 /19:24629 /20:43127 /21:51187 /22:109793 /23:98788 /24:566203 /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 6724 7608 UNI2-AS, ES 8151 6414 12459 UNINET, MX 11492 3495 4581 CABLEONE, US 6327 3393 3594 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2655 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2124 2648 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1461 3:298 4:6 5:4477 6:164 7:6 8:1493 9:1 11:172 12:1463 13:383 14:2345 15:311 16:204 17:361 18:732 20:356 21:4 22:188 23:6586 24:2701 25:2 27:2561 29:19 31:2549 32:45 34:39 35:121 36:2173 37:4473 38:6896 39:900 40:140 41:4008 42:2203 43:2291 44:331 45:16793 46:4344 47:285 49:1907 50:1889 51:570 52:1585 54:336 55:879 56:5 57:145 58:1964 59:1144 60:1018 61:2626 62:2675 63:1916 64:5515 65:2328 66:4888 67:3053 68:1332 69:4090 70:1197 71:578 72:2912 74:2640 75:1554 76:630 77:2386 78:1840 79:2466 80:2131 81:1892 82:1517 83:1253 84:1632 85:3079 86:778 87:1970 88:1221 89:3972 90:676 91:7914 92:2185 93:2626 94:3639 95:4060 96:1284 97:313 98:1030 99:744 100:90 101:1155 102:3079 103:32448 104:4757 105:597 106:919 107:2762 108:1127 109:4017 110:2144 111:3160 112:2061 113:1740 114:1749 115:1978 116:1954 117:2641 118:2753 119:1942 120:1785 121:1254 122:2631 123:2187 124:1560 125:2829 126:28 128:1395 129:913 130:1079 131:1821 132:816 133:412 134:1699 135:311 136:922 137:1018 138:2776 139:1533 140:1352 141:1347 142:1556 143:1484 144:1009 145:343 146:2007 147:1691 148:2510 149:2488 150:1023 151:1325 152:1977 153:528 154:5687 155:1371 156:2088 157:1519 158:1095 159:2204 160:2596 161:1627 162:3613 163:1694 164:1602 165:2106 166:1061 167:1704 168:3808 169:791 170:4685 171:997 172:3828 173:3010 174:894 175:1216 176:3634 177:4516 178:3529 179:2235 180:2363 181:3693 182:3418 183:1983 184:2267 185:20594 186:4871 187:4408 188:3985 189:4081 190:9302 191:1406 192:10960 193:8991 194:7386 195:5247 196:3140 197:2612 198:5904 199:7169 200:8054 201:6313 202:10139 203:10112 204:4530 205:3709 206:4405 207:3407 208:4114 209:4944 210:4363 211:2507 212:4283 213:3397 214:1119 215:44 216:6796 217:2764 218:1313 219:423 220:1823 221:1020 222:693 223:2201 End of report