IPv4 R&E Routing Table Report 23:05 GMT Thu 30 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: 927688 Prefixes after maximum aggregation (per Origin AS): 354889 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 454811 Number of IPv4 prefixes with a valid ROA: 430470 Number of IPv4 prefixes with an invalid ROA: 1387 Number of IPv4 prefixes with no ROA: 495831 Total ASes present in the Internet Routing Table: 74874 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64412 Origin ASes announcing only one prefix: 26488 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 454 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 ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 1035 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 43133 Number of 32-bit ASNs visible in the Routing Table: 35386 Prefixes from 32-bit ASNs in the Routing Table: 177118 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: 541 Number of addresses announced to Internet: 3047326208 Equivalent to 181 /8s, 162 /16s and 130 /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: 309044 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243559 Total APNIC prefixes after maximum aggregation: 71117 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236935 Unique aggregates announced from the APNIC address blocks: 99355 APNIC Region origin ASes present in the Internet Routing Table: 13710 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4126 APNIC Region transit ASes present in the Internet Routing Table: 1844 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: 9101 Number of APNIC addresses announced to Internet: 770759168 Equivalent to 45 /8s, 240 /16s and 218 /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: 271988 Total ARIN prefixes after maximum aggregation: 123786 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276640 Unique aggregates announced from the ARIN address blocks: 132345 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6972 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: 4819 Number of ARIN addresses announced to Internet: 1275835392 Equivalent to 76 /8s, 11 /16s and 180 /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: 261672 Total RIPE prefixes after maximum aggregation: 124729 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256106 Unique aggregates announced from the RIPE address blocks: 160418 RIPE Region origin ASes present in the Internet Routing Table: 28440 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12080 RIPE Region transit ASes present in the Internet Routing Table: 3886 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: 11433 Number of RIPE addresses announced to Internet: 714458624 Equivalent to 42 /8s, 149 /16s and 198 /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: 119366 Total LACNIC prefixes after maximum aggregation: 28551 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118153 Unique aggregates announced from the LACNIC address blocks: 49449 LACNIC Region origin ASes present in the Internet Routing Table: 11031 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2343 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8883 Number of LACNIC addresses announced to Internet: 178371072 Equivalent to 10 /8s, 161 /16s and 186 /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: 30068 Total AfriNIC prefixes after maximum aggregation: 6015 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39313 Unique aggregates announced from the AfriNIC address blocks: 12806 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1150 Number of AfriNIC addresses announced to Internet: 107530752 Equivalent to 6 /8s, 104 /16s and 202 /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 9731 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4392 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 3258 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2628 851 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 199 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 11140 3307 AMAZON-02, US 11492 4556 302 677 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3499 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3156 54916 2408 DNIC-AS-00749, US 16625 3134 1391 2304 AKAMAI-AS, US 367 3020 3851 1437 DNIC-ASBLK-00306-00371, US 396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 7018 2567 23618 1603 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 7512 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3998 3397 141 AKAMAI-ASN1, NL 9009 3467 299 1606 M247, RO 8551 3433 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2301 912 ROSTELECOM-AS, RU 34984 2321 361 589 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1509 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 12068 3378 614 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2474 338 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1344 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1240 341 502 Axtel, S.A.B. de C.V., MX 11664 1084 173 434 Techtel LMDS Comunicaciones Interactiva 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1048 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 1045 67 54 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 536 56 53 WANANCHI-, KE 37342 492 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 12068 3378 614 UNINET, MX 9808 9731 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9332 11140 3307 AMAZON-02, US 12479 7512 1714 146 UNI2-AS, ES 7545 5674 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 677 CABLEONE, US 18403 4392 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 9731 9690 CHINAMOBILE-CN China Mobile Communications Grou 12479 7512 7366 UNI2-AS, ES 16509 9332 6025 AMAZON-02, US 7545 5674 4984 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4556 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 23.152.41.0/24 Origin: 30399 HOSTENGINE, US 23.152.41.0/24 Transit: 6939 HURRICANE, US 23.166.184.0/24 Origin: 62716 TELECOMISP-SOLUTIONS-01, US 23.166.184.0/24 Transit: 53427 TGLOBAL-NETWORKS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /10:37 /11:99 /12:298 /13:578 /14:1190 /15:2055 /16:13403 /17:8185 /18:13668 /19:24746 /20:43103 /21:51090 /22:109953 /23:98879 /24:560364 /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 6605 7512 UNI2-AS, ES 8151 6085 12068 UNINET, MX 11492 3470 4556 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2910 3433 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3499 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2481 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) ---------------------------------------------- 1:2226 2:1430 3:277 4:5 5:4385 6:162 7:6 8:1489 9:1 11:172 12:1490 13:374 14:2318 15:303 16:206 17:361 18:684 20:319 21:4 22:188 23:6499 24:2560 25:2 27:2573 29:19 31:2540 32:53 34:33 35:116 36:2043 37:4458 38:5656 39:881 40:151 41:3990 42:2116 43:2282 44:331 45:16583 46:4368 47:310 49:1873 50:1875 51:573 52:1593 54:393 55:856 56:5 57:125 58:1834 59:1113 60:1009 61:2585 62:2720 63:1896 64:5466 65:2346 66:4974 67:3053 68:1353 69:4093 70:1177 71:605 72:2923 74:2615 75:1561 76:624 77:2332 78:1826 79:3022 80:2111 81:1847 82:1518 83:1316 84:1607 85:2966 86:781 87:1940 88:1231 89:3945 90:637 91:7873 92:2157 93:2643 94:3568 95:3993 96:1298 97:315 98:1040 99:738 100:96 101:1407 102:2963 103:32386 104:4787 105:592 106:966 107:2740 108:1134 109:4203 110:2130 111:3140 112:2074 113:1682 114:1721 115:1995 116:1920 117:2572 118:2746 119:1952 120:1771 121:1223 122:2623 123:2174 124:1594 125:2746 128:1427 129:898 130:1050 131:1980 132:822 133:410 134:1716 135:301 136:915 137:987 138:2715 139:1559 140:1338 141:1348 142:1533 143:1527 144:996 145:341 146:1987 147:1638 148:2458 149:2309 150:1005 151:1294 152:1828 153:525 154:5267 155:1369 156:2098 157:1345 158:1058 159:2197 160:2615 161:1612 162:3569 163:1620 164:1619 165:1862 166:1102 167:1765 168:3826 169:796 170:4674 171:969 172:3764 173:2994 174:900 175:1204 176:3614 177:4572 178:3548 179:2186 180:2290 181:3601 182:3398 183:2023 184:2252 185:20418 186:4742 187:4294 188:3958 189:3968 190:9270 191:1503 192:10966 193:8971 194:7299 195:5187 196:3130 197:2472 198:5923 199:6565 200:8007 201:6201 202:10215 203:10035 204:4575 205:3649 206:4396 207:3405 208:4069 209:4883 210:4247 211:2476 212:4222 213:3387 214:1129 215:64 216:6727 217:2750 218:1287 219:412 220:1801 221:1009 222:697 223:2194 End of report