IPv4 R&E Routing Table Report 23:05 GMT Wed 15 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: 927662 Prefixes after maximum aggregation (per Origin AS): 354486 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454338 Number of IPv4 prefixes with a valid ROA: 428221 Number of IPv4 prefixes with an invalid ROA: 1610 Number of IPv4 prefixes with no ROA: 497831 Total ASes present in the Internet Routing Table: 74857 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64391 Origin ASes announcing only one prefix: 26471 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 456 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: 1010 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 43048 Number of 32-bit ASNs visible in the Routing Table: 35327 Prefixes from 32-bit ASNs in the Routing Table: 176691 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: 3049659392 Equivalent to 181 /8s, 198 /16s and 28 /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: 309381 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243260 Total APNIC prefixes after maximum aggregation: 70899 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236505 Unique aggregates announced from the APNIC address blocks: 98995 APNIC Region origin ASes present in the Internet Routing Table: 13676 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4101 APNIC Region transit ASes present in the Internet Routing Table: 1830 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: 9072 Number of APNIC addresses announced to Internet: 771666944 Equivalent to 45 /8s, 254 /16s and 180 /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: 272225 Total ARIN prefixes after maximum aggregation: 123941 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276817 Unique aggregates announced from the ARIN address blocks: 132265 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6970 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: 4818 Number of ARIN addresses announced to Internet: 1276523264 Equivalent to 76 /8s, 22 /16s and 51 /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: 261715 Total RIPE prefixes after maximum aggregation: 124415 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256227 Unique aggregates announced from the RIPE address blocks: 160514 RIPE Region origin ASes present in the Internet Routing Table: 28473 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: 3916 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: 11431 Number of RIPE addresses announced to Internet: 715310336 Equivalent to 42 /8s, 162 /16s and 197 /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: 119309 Total LACNIC prefixes after maximum aggregation: 28492 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118100 Unique aggregates announced from the LACNIC address blocks: 49371 LACNIC Region origin ASes present in the Internet Routing Table: 11033 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2329 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: 178285056 Equivalent to 10 /8s, 160 /16s and 106 /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: 30143 Total AfriNIC prefixes after maximum aggregation: 6038 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39491 Unique aggregates announced from the AfriNIC address blocks: 12760 AfriNIC Region origin ASes present in the Internet Routing Table: 1793 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 624 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: 1136 Number of AfriNIC addresses announced to Internet: 107447552 Equivalent to 6 /8s, 103 /16s and 133 /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 9716 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5703 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4302 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3639 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3262 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3251 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2581 851 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9238 11061 3352 AMAZON-02, US 11492 4556 302 675 CABLEONE, US 7155 4145 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3506 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3119 1389 2296 AKAMAI-AS, US 367 3028 3868 1434 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2515 23615 1591 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 7457 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4013 3397 141 AKAMAI-ASN1, NL 8551 3439 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3423 297 1587 M247, RO 12389 2898 2295 912 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1650 910 583 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1523 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 12028 3370 607 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2454 335 635 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1333 2322 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1101 369 22 Telefonica del Peru S.A.A., PE 11664 1069 172 435 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1599 393 19 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 550 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 485 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 12028 3370 607 UNINET, MX 9808 9716 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9238 11061 3352 AMAZON-02, US 12479 7457 1713 145 UNI2-AS, ES 7545 5703 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 675 CABLEONE, US 18403 4302 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4145 288 96 VIASAT-SP-BACKBONE, US 20940 4013 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 9716 9676 CHINAMOBILE-CN China Mobile Communications Grou 12479 7457 7312 UNI2-AS, ES 16509 9238 5886 AMAZON-02, US 7545 5703 5008 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4302 4277 FPT-AS-AP FPT Telecom Company, VN 7155 4145 4049 VIASAT-SP-BACKBONE, US 11492 4556 3881 CABLEONE, US 20940 4013 3872 AKAMAI-ASN1, NL 7552 3639 3619 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 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 30399 HOSTENGINE, US 23.131.185.0/24 Transit: 6939 HURRICANE, US 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 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 /13:576 /14:1193 /15:2056 /16:13419 /17:8220 /18:13674 /19:24785 /20:43152 /21:51125 /22:109978 /23:98991 /24:560017 /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 6546 7457 UNI2-AS, ES 8151 6049 12028 UNINET, MX 11492 3469 4556 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3093 4145 VIASAT-SP-BACKBONE, US 8551 2916 3439 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2562 3506 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2134 2479 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2230 2:1421 3:273 4:5 5:4373 6:162 7:6 8:1503 9:1 11:172 12:1494 13:364 14:2312 15:304 16:204 17:362 18:672 20:317 21:4 22:188 23:6514 24:2555 25:2 27:2579 29:19 31:2560 32:55 34:30 35:115 36:2027 37:4446 38:5607 39:877 40:149 41:4005 42:2079 43:2293 44:328 45:16736 46:4347 47:373 49:1864 50:1879 51:574 52:1590 54:393 55:885 56:5 57:126 58:1820 59:1113 60:1010 61:2590 62:2704 63:1866 64:5495 65:2350 66:4967 67:3055 68:1346 69:4095 70:1157 71:606 72:2926 74:2629 75:1563 76:632 77:2337 78:1826 79:3019 80:2108 81:1843 82:1520 83:1298 84:1600 85:2969 86:752 87:1945 88:1231 89:3941 90:625 91:7877 92:2129 93:2638 94:3567 95:3991 96:1299 97:315 98:1080 99:738 100:96 101:1388 102:2911 103:32323 104:4811 105:565 106:976 107:2781 108:1131 109:4197 110:2127 111:3130 112:2071 113:1666 114:1709 115:1993 116:1915 117:2555 118:2726 119:1947 120:1769 121:1192 122:2610 123:2180 124:1580 125:2623 128:1418 129:904 130:1052 131:1978 132:810 133:408 134:1715 135:299 136:915 137:987 138:2704 139:1563 140:1325 141:1326 142:1537 143:1522 144:1003 145:340 146:1966 147:1630 148:2457 149:2333 150:876 151:1250 152:1946 153:523 154:5323 155:1383 156:2100 157:1351 158:1057 159:2197 160:2612 161:1605 162:3550 163:1611 164:1643 165:1855 166:1069 167:1746 168:3829 169:781 170:4673 171:971 172:3821 173:2979 174:952 175:1191 176:3608 177:4601 178:3520 179:2195 180:2261 181:3592 182:3377 183:2006 184:2274 185:20613 186:4748 187:4225 188:4048 189:3938 190:9332 191:1455 192:10964 193:8963 194:7284 195:5112 196:3205 197:2475 198:5920 199:6483 200:7996 201:6220 202:10233 203:10003 204:4540 205:3671 206:4375 207:3414 208:4076 209:4879 210:4234 211:2466 212:4256 213:3398 214:1117 215:71 216:6716 217:2767 218:1293 219:412 220:1799 221:1002 222:688 223:2183 End of report