IPv4 R&E Routing Table Report 23:05 GMT Thu 23 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: 927918 Prefixes after maximum aggregation (per Origin AS): 354769 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454550 Number of IPv4 prefixes with a valid ROA: 429091 Number of IPv4 prefixes with an invalid ROA: 1387 Number of IPv4 prefixes with no ROA: 497440 Total ASes present in the Internet Routing Table: 74873 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64392 Origin ASes announcing only one prefix: 26489 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1017 Number of instances of unregistered ASNs: 1019 Number of 32-bit ASNs allocated by the RIRs: 43102 Number of 32-bit ASNs visible in the Routing Table: 35363 Prefixes from 32-bit ASNs in the Routing Table: 177014 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: 522 Number of addresses announced to Internet: 3048301056 Equivalent to 181 /8s, 177 /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: 309212 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243497 Total APNIC prefixes after maximum aggregation: 70981 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236762 Unique aggregates announced from the APNIC address blocks: 99218 APNIC Region origin ASes present in the Internet Routing Table: 13681 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4101 APNIC Region transit ASes present in the Internet Routing Table: 1838 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9074 Number of APNIC addresses announced to Internet: 771197184 Equivalent to 45 /8s, 247 /16s and 137 /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: 272410 Total ARIN prefixes after maximum aggregation: 123804 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277070 Unique aggregates announced from the ARIN address blocks: 132276 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1882 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: 4822 Number of ARIN addresses announced to Internet: 1276018432 Equivalent to 76 /8s, 14 /16s and 127 /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: 261700 Total RIPE prefixes after maximum aggregation: 124673 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256219 Unique aggregates announced from the RIPE address blocks: 160437 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: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11431 Number of RIPE addresses announced to Internet: 714926592 Equivalent to 42 /8s, 156 /16s and 234 /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: 119253 Total LACNIC prefixes after maximum aggregation: 28587 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118030 Unique aggregates announced from the LACNIC address blocks: 49366 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2682 LACNIC Region transit ASes present in the Internet Routing Table: 2338 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: 8886 Number of LACNIC addresses announced to Internet: 178361600 Equivalent to 10 /8s, 161 /16s and 149 /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: 30041 Total AfriNIC prefixes after maximum aggregation: 6034 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39315 Unique aggregates announced from the AfriNIC address blocks: 12823 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 635 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: 1150 Number of AfriNIC addresses announced to Internet: 107369728 Equivalent to 6 /8s, 102 /16s and 85 /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 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5686 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3380 494 245 BBIL-AP BHARTI Airtel Ltd., IN 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2609 851 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2192 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 9349 11144 3292 AMAZON-02, US 11492 4557 302 676 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3507 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3109 1383 2291 AKAMAI-AS, US 367 3022 3868 1424 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2584 23619 1600 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 7469 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4008 3397 141 AKAMAI-ASN1, NL 9009 3463 299 1614 M247, RO 8551 3434 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2871 2296 916 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1602 895 608 TCI, IR 8452 1528 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 12082 3376 609 UNINET, MX 10620 3528 499 871 Telmex Colombia S.A., CO 13999 2467 337 644 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1330 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11664 1080 173 436 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 1600 389 16 LINKdotNET-AS, EG 24835 1548 545 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 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 24757 482 73 5 EthioNet-AS, ET 37342 480 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 12082 3376 609 UNINET, MX 9808 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9349 11144 3292 AMAZON-02, US 12479 7469 1714 146 UNI2-AS, ES 7545 5686 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 676 CABLEONE, US 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4008 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 9723 9682 CHINAMOBILE-CN China Mobile Communications Grou 12479 7469 7323 UNI2-AS, ES 16509 9349 6057 AMAZON-02, US 7545 5686 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4338 4313 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4557 3881 CABLEONE, US 20940 4008 3867 AKAMAI-ASN1, NL 7552 3643 3623 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 /13:578 /14:1193 /15:2056 /16:13407 /17:8186 /18:13671 /19:24790 /20:43137 /21:51112 /22:109935 /23:99087 /24:560292 /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 6563 7469 UNI2-AS, ES 8151 6093 12082 UNINET, MX 11492 3470 4557 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2911 3434 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2562 3507 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3528 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) ---------------------------------------------- 1:2232 2:1424 3:276 4:5 5:4388 6:162 7:6 8:1495 9:1 11:172 12:1493 13:376 14:2315 15:304 16:206 17:362 18:681 20:319 21:4 22:188 23:6493 24:2557 25:2 27:2573 29:19 31:2525 32:55 34:33 35:115 36:2035 37:4442 38:5666 39:878 40:149 41:3942 42:2070 43:2290 44:327 45:16646 46:4363 47:373 49:1853 50:1879 51:573 52:1593 54:393 55:877 56:5 57:125 58:1828 59:1113 60:1007 61:2583 62:2741 63:1897 64:5478 65:2355 66:4984 67:3056 68:1351 69:4118 70:1180 71:605 72:2922 74:2624 75:1560 76:624 77:2327 78:1827 79:3018 80:2105 81:1842 82:1517 83:1308 84:1599 85:2957 86:781 87:1954 88:1236 89:3944 90:632 91:7868 92:2145 93:2638 94:3566 95:3992 96:1297 97:316 98:1083 99:738 100:96 101:1411 102:2957 103:32394 104:4785 105:591 106:974 107:2768 108:1138 109:4200 110:2130 111:3111 112:2071 113:1687 114:1717 115:1988 116:1919 117:2559 118:2741 119:1952 120:1768 121:1196 122:2619 123:2183 124:1586 125:2748 128:1432 129:902 130:1050 131:1969 132:817 133:407 134:1715 135:298 136:919 137:1035 138:2692 139:1560 140:1332 141:1338 142:1526 143:1523 144:1003 145:340 146:1983 147:1628 148:2461 149:2297 150:1012 151:1252 152:1830 153:524 154:5287 155:1380 156:2114 157:1354 158:1056 159:2201 160:2609 161:1604 162:3566 163:1619 164:1635 165:1863 166:1095 167:1757 168:3821 169:798 170:4659 171:971 172:3764 173:2990 174:953 175:1199 176:3609 177:4549 178:3518 179:2166 180:2268 181:3588 182:3368 183:2019 184:2273 185:20470 186:4761 187:4278 188:4063 189:3942 190:9287 191:1424 192:10988 193:8964 194:7287 195:5198 196:3131 197:2465 198:5933 199:6526 200:8001 201:6242 202:10233 203:10016 204:4556 205:3683 206:4373 207:3399 208:4082 209:4880 210:4237 211:2450 212:4246 213:3382 214:1113 215:69 216:6726 217:2747 218:1291 219:412 220:1800 221:1003 222:688 223:2183 End of report