IPv4 R&E Routing Table Report 23:05 GMT Sat 02 Dec, 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: 928169 Prefixes after maximum aggregation (per Origin AS): 355094 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455114 Number of IPv4 prefixes with a valid ROA: 430716 Number of IPv4 prefixes with an invalid ROA: 1412 Number of IPv4 prefixes with no ROA: 496041 Total ASes present in the Internet Routing Table: 74854 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64411 Origin ASes announcing only one prefix: 26474 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 43159 Number of 32-bit ASNs visible in the Routing Table: 35378 Prefixes from 32-bit ASNs in the Routing Table: 177161 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: 531 Number of addresses announced to Internet: 3047219712 Equivalent to 181 /8s, 160 /16s and 226 /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: 309118 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243885 Total APNIC prefixes after maximum aggregation: 71140 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237171 Unique aggregates announced from the APNIC address blocks: 99445 APNIC Region origin ASes present in the Internet Routing Table: 13700 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4122 APNIC Region transit ASes present in the Internet Routing Table: 1834 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9092 Number of APNIC addresses announced to Internet: 770701056 Equivalent to 45 /8s, 239 /16s and 247 /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: 272072 Total ARIN prefixes after maximum aggregation: 123995 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276736 Unique aggregates announced from the ARIN address blocks: 132470 ARIN Region origin ASes present in the Internet Routing Table: 19030 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1276022528 Equivalent to 76 /8s, 14 /16s and 143 /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: 261688 Total RIPE prefixes after maximum aggregation: 124715 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256204 Unique aggregates announced from the RIPE address blocks: 160506 RIPE Region origin ASes present in the Internet Routing Table: 28446 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12086 RIPE Region transit ASes present in the Internet Routing Table: 3883 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: 11440 Number of RIPE addresses announced to Internet: 714336256 Equivalent to 42 /8s, 147 /16s and 232 /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: 119418 Total LACNIC prefixes after maximum aggregation: 28554 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118191 Unique aggregates announced from the LACNIC address blocks: 49471 LACNIC Region origin ASes present in the Internet Routing Table: 11034 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8882 Number of LACNIC addresses announced to Internet: 178358528 Equivalent to 10 /8s, 161 /16s and 137 /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: 30090 Total AfriNIC prefixes after maximum aggregation: 6006 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39336 Unique aggregates announced from the AfriNIC address blocks: 12790 AfriNIC Region origin ASes present in the Internet Routing Table: 1803 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 107433728 Equivalent to 6 /8s, 103 /16s and 79 /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 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3640 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3383 494 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3259 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2633 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 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 9332 11167 3364 AMAZON-02, US 11492 4557 302 678 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3498 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 16625 3155 1402 2313 AKAMAI-AS, US 367 2997 3847 1423 DNIC-ASBLK-00306-00371, US 396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 7018 2573 23619 1608 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 7511 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3998 3397 141 AKAMAI-ASN1, NL 9009 3471 300 1610 M247, RO 8551 3437 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2301 912 ROSTELECOM-AS, RU 34984 2326 361 585 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1516 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 12125 3378 608 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2475 338 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 11664 1086 173 433 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1041 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 1594 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 482 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 12125 3378 608 UNINET, MX 9808 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9332 11167 3364 AMAZON-02, US 12479 7511 1714 146 UNI2-AS, ES 7545 5678 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 678 CABLEONE, US 18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 3998 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 9734 9693 CHINAMOBILE-CN China Mobile Communications Grou 12479 7511 7365 UNI2-AS, ES 16509 9332 5968 AMAZON-02, US 7545 5678 4984 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4390 4365 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4557 3879 CABLEONE, US 20940 3998 3857 AKAMAI-ASN1, NL 7552 3640 3620 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 17054 EXPEDIENT, 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 /14:1189 /15:2058 /16:13406 /17:8189 /18:13667 /19:24754 /20:43093 /21:51104 /22:109948 /23:99083 /24:560626 /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 6604 7511 UNI2-AS, ES 8151 6132 12125 UNINET, MX 11492 3471 4557 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2914 3437 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2241 2:1426 3:278 4:5 5:4386 6:160 7:6 8:1488 9:1 11:172 12:1489 13:374 14:2319 15:304 16:205 17:360 18:689 20:319 21:4 22:188 23:6499 24:2561 25:2 27:2578 29:19 31:2544 32:53 34:33 35:116 36:2045 37:4457 38:5689 39:881 40:150 41:3994 42:2114 43:2293 44:328 45:16595 46:4373 47:310 49:1881 50:1874 51:573 52:1594 54:391 55:876 56:5 57:125 58:1834 59:1114 60:1009 61:2585 62:2717 63:1899 64:5468 65:2349 66:4973 67:3048 68:1353 69:4087 70:1176 71:606 72:2925 74:2617 75:1564 76:624 77:2334 78:1826 79:3025 80:2112 81:1848 82:1516 83:1319 84:1608 85:2965 86:780 87:1949 88:1229 89:3945 90:636 91:7877 92:2157 93:2638 94:3567 95:3991 96:1298 97:315 98:1013 99:737 100:94 101:1411 102:2979 103:32408 104:4786 105:592 106:973 107:2746 108:1132 109:4209 110:2129 111:3145 112:2078 113:1693 114:1732 115:1997 116:1921 117:2566 118:2747 119:1951 120:1771 121:1222 122:2624 123:2167 124:1599 125:2746 128:1426 129:900 130:1052 131:1981 132:819 133:410 134:1716 135:301 136:918 137:985 138:2711 139:1560 140:1339 141:1348 142:1534 143:1535 144:998 145:341 146:1990 147:1631 148:2457 149:2320 150:1007 151:1289 152:1829 153:525 154:5280 155:1375 156:2101 157:1364 158:1053 159:2201 160:2620 161:1617 162:3563 163:1626 164:1622 165:1859 166:1099 167:1763 168:3810 169:795 170:4684 171:967 172:3760 173:2996 174:901 175:1204 176:3612 177:4548 178:3528 179:2180 180:2290 181:3606 182:3404 183:2024 184:2252 185:20436 186:4744 187:4282 188:3960 189:3946 190:9291 191:1489 192:10966 193:8954 194:7294 195:5194 196:3132 197:2475 198:5926 199:6599 200:8008 201:6251 202:10213 203:10045 204:4582 205:3661 206:4375 207:3408 208:4079 209:4880 210:4249 211:2466 212:4222 213:3390 214:1124 215:64 216:6734 217:2748 218:1286 219:412 220:1798 221:1009 222:696 223:2194 End of report