IPv4 R&E Routing Table Report 23:05 GMT Sun 05 Nov, 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: 926499 Prefixes after maximum aggregation (per Origin AS): 354245 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454291 Number of IPv4 prefixes with a valid ROA: 426414 Number of IPv4 prefixes with an invalid ROA: 1388 Number of IPv4 prefixes with no ROA: 498697 Total ASes present in the Internet Routing Table: 74813 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64347 Origin ASes announcing only one prefix: 26478 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1033 Number of instances of unregistered ASNs: 1035 Number of 32-bit ASNs allocated by the RIRs: 43017 Number of 32-bit ASNs visible in the Routing Table: 35276 Prefixes from 32-bit ASNs in the Routing Table: 176312 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3049320192 Equivalent to 181 /8s, 192 /16s and 239 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309401 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242539 Total APNIC prefixes after maximum aggregation: 70752 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235830 Unique aggregates announced from the APNIC address blocks: 98836 APNIC Region origin ASes present in the Internet Routing Table: 13638 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4094 APNIC Region transit ASes present in the Internet Routing Table: 1822 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9033 Number of APNIC addresses announced to Internet: 771645696 Equivalent to 45 /8s, 254 /16s and 97 /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: 272419 Total ARIN prefixes after maximum aggregation: 123931 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276726 Unique aggregates announced from the ARIN address blocks: 132430 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1276527360 Equivalent to 76 /8s, 22 /16s and 67 /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: 261379 Total RIPE prefixes after maximum aggregation: 124389 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256179 Unique aggregates announced from the RIPE address blocks: 160562 RIPE Region origin ASes present in the Internet Routing Table: 28461 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11411 Number of RIPE addresses announced to Internet: 714988288 Equivalent to 42 /8s, 157 /16s and 219 /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: 119117 Total LACNIC prefixes after maximum aggregation: 28460 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118025 Unique aggregates announced from the LACNIC address blocks: 49341 LACNIC Region origin ASes present in the Internet Routing Table: 11034 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2334 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: 8870 Number of LACNIC addresses announced to Internet: 178330112 Equivalent to 10 /8s, 161 /16s and 26 /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: 30012 Total AfriNIC prefixes after maximum aggregation: 6005 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39228 Unique aggregates announced from the AfriNIC address blocks: 12697 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107406080 Equivalent to 6 /8s, 102 /16s and 227 /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 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3245 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2572 851 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 201 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 9192 11025 3266 AMAZON-02, US 11492 4541 301 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3514 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3061 3868 1438 DNIC-ASBLK-00306-00371, US 16625 3039 1382 2294 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US 7018 2510 23614 1592 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 7404 1713 145 UNI2-AS, ES 39891 4434 262 56 ALJAWWALSTC-AS, SA 20940 4017 3397 141 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1598 M247, RO 12389 2892 2295 912 ROSTELECOM-AS, RU 34984 2323 361 592 TELLCOM-AS, TR 58224 1662 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1512 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 11960 3373 612 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2432 331 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 24863 1605 391 38 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 503 53 40 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 11960 3373 612 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9192 11025 3266 AMAZON-02, US 12479 7404 1713 145 UNI2-AS, ES 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4541 301 673 CABLEONE, US 39891 4434 262 56 ALJAWWALSTC-AS, SA 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4017 3397 141 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 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7404 7259 UNI2-AS, ES 16509 9192 5926 AMAZON-02, US 7545 5713 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4434 4378 ALJAWWALSTC-AS, SA 18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 4017 3876 AKAMAI-ASN1, NL 11492 4541 3868 CABLEONE, US 7552 3613 3593 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 11168 SCC, 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 6461 ZAYO-6461, 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 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13413 /17:8212 /18:13672 /19:24787 /20:43165 /21:51111 /22:109782 /23:98821 /24:559234 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6494 7404 UNI2-AS, ES 8151 5978 11960 UNINET, MX 11492 3454 4541 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3193 4434 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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) ---------------------------------------------- 1:2220 2:1432 3:272 4:5 5:4392 6:161 7:6 8:1499 9:1 11:172 12:1497 13:353 14:2311 15:304 16:202 17:367 18:670 20:317 21:4 22:188 23:6497 24:2538 25:2 27:2587 29:19 31:2549 32:68 34:29 35:115 36:2023 37:4471 38:5536 39:865 40:149 41:3998 42:2065 43:2273 44:325 45:16703 46:4334 47:372 49:1861 50:1872 51:577 52:1589 54:394 55:885 56:5 57:124 58:1814 59:1113 60:1011 61:2573 62:2683 63:1898 64:5519 65:2345 66:4973 67:3053 68:1341 69:4127 70:1183 71:624 72:2941 74:2629 75:1568 76:637 77:2327 78:1763 79:3005 80:2102 81:1860 82:1523 83:1300 84:1597 85:2986 86:769 87:1937 88:1228 89:3941 90:625 91:7862 92:2127 93:2563 94:3563 95:3993 96:1302 97:315 98:1083 99:736 100:91 101:1380 102:2926 103:32172 104:4781 105:575 106:979 107:2793 108:1135 109:4246 110:2131 111:3134 112:2059 113:1737 114:1698 115:1991 116:1912 117:2551 118:2702 119:1942 120:1749 121:1183 122:2610 123:2173 124:1577 125:2606 128:1405 129:907 130:1046 131:1977 132:809 133:408 134:1686 135:300 136:906 137:981 138:2690 139:1562 140:1325 141:1329 142:1540 143:1524 144:999 145:341 146:1962 147:1623 148:2464 149:2364 150:874 151:1241 152:1837 153:533 154:5254 155:1403 156:2068 157:1349 158:1060 159:2192 160:2617 161:1599 162:3513 163:1599 164:1666 165:1848 166:1061 167:1748 168:3821 169:790 170:4649 171:957 172:3871 173:2993 174:975 175:1186 176:3605 177:4592 178:3532 179:2208 180:2286 181:3580 182:3364 183:1987 184:2268 185:20606 186:4753 187:4253 188:4052 189:3962 190:9314 191:1428 192:10959 193:8961 194:7302 195:5203 196:3120 197:2498 198:5934 199:6423 200:7980 201:6185 202:10221 203:10016 204:4538 205:3687 206:4326 207:3416 208:4096 209:4871 210:4218 211:2448 212:4257 213:3394 214:1114 215:71 216:6696 217:2768 218:1276 219:409 220:1801 221:996 222:680 223:2158 End of report