IPv4 R&E Routing Table Report 23:05 GMT Tue 28 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: 928506 Prefixes after maximum aggregation (per Origin AS): 354956 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454732 Number of IPv4 prefixes with a valid ROA: 429905 Number of IPv4 prefixes with an invalid ROA: 1403 Number of IPv4 prefixes with no ROA: 497198 Total ASes present in the Internet Routing Table: 74888 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64415 Origin ASes announcing only one prefix: 26504 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1020 Number of 32-bit ASNs allocated by the RIRs: 43119 Number of 32-bit ASNs visible in the Routing Table: 35392 Prefixes from 32-bit ASNs in the Routing Table: 177272 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3047874816 Equivalent to 181 /8s, 170 /16s and 225 /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: 309407 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243811 Total APNIC prefixes after maximum aggregation: 71145 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237058 Unique aggregates announced from the APNIC address blocks: 99305 APNIC Region origin ASes present in the Internet Routing Table: 13699 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4129 APNIC Region transit ASes present in the Internet Routing Table: 1829 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: 9088 Number of APNIC addresses announced to Internet: 771142400 Equivalent to 45 /8s, 246 /16s and 179 /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: 272339 Total ARIN prefixes after maximum aggregation: 123806 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276995 Unique aggregates announced from the ARIN address blocks: 132266 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: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4823 Number of ARIN addresses announced to Internet: 1275936256 Equivalent to 76 /8s, 13 /16s and 62 /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: 261751 Total RIPE prefixes after maximum aggregation: 124754 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256209 Unique aggregates announced from the RIPE address blocks: 160437 RIPE Region origin ASes present in the Internet Routing Table: 28475 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3904 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: 11448 Number of RIPE addresses announced to Internet: 714523392 Equivalent to 42 /8s, 150 /16s and 195 /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: 119466 Total LACNIC prefixes after maximum aggregation: 28570 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118241 Unique aggregates announced from the LACNIC address blocks: 49500 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2673 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: 178364416 Equivalent to 10 /8s, 161 /16s and 160 /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: 30123 Total AfriNIC prefixes after maximum aggregation: 5994 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39480 Unique aggregates announced from the AfriNIC address blocks: 12797 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107545344 Equivalent to 6 /8s, 105 /16s and 3 /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 9721 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5681 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4337 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 3264 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2628 853 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2191 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 9339 11141 3303 AMAZON-02, US 11492 4555 302 679 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3508 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3134 1390 2305 AKAMAI-AS, US 367 3011 3861 1423 DNIC-ASBLK-00306-00371, US 396982 2721 3631 373 GOOGLE-CLOUD-PLATFORM, US 7018 2595 23620 1610 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 7493 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4005 3397 141 AKAMAI-ASN1, NL 9009 3481 300 1622 M247, RO 8551 3432 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2872 2297 916 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1594 886 619 TCI, IR 8452 1521 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 12107 3376 609 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2468 337 646 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1336 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 785 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 11664 1083 173 433 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 1593 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 550 1861 34 IAM-AS, MA 15399 504 53 41 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 12107 3376 609 UNINET, MX 9808 9721 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9339 11141 3303 AMAZON-02, US 12479 7493 1714 146 UNI2-AS, ES 7545 5681 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4555 302 679 CABLEONE, US 18403 4337 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4005 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 9721 9680 CHINAMOBILE-CN China Mobile Communications Grou 12479 7493 7347 UNI2-AS, ES 16509 9339 6036 AMAZON-02, US 7545 5681 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4337 4312 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4555 3876 CABLEONE, US 20940 4005 3864 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 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 /14:1191 /15:2056 /16:13409 /17:8183 /18:13677 /19:24757 /20:43105 /21:51122 /22:109962 /23:99100 /24:560892 /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 6585 7493 UNI2-AS, ES 8151 6116 12107 UNINET, MX 11492 3469 4555 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2909 3432 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2483 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) ---------------------------------------------- 1:2239 2:1431 3:276 4:5 5:4386 6:162 7:6 8:1491 9:1 11:172 12:1490 13:375 14:2316 15:303 16:206 17:366 18:684 20:319 21:4 22:188 23:6501 24:2559 25:2 27:2574 29:19 31:2542 32:55 34:33 35:116 36:2039 37:4449 38:5676 39:882 40:150 41:4001 42:2068 43:2293 44:331 45:16655 46:4369 47:373 49:1874 50:1877 51:573 52:1593 54:393 55:875 56:5 57:125 58:1834 59:1113 60:1010 61:2586 62:2723 63:1896 64:5481 65:2347 66:4985 67:3057 68:1352 69:4091 70:1180 71:605 72:2923 74:2622 75:1564 76:624 77:2338 78:1824 79:3018 80:2110 81:1836 82:1519 83:1308 84:1602 85:2963 86:781 87:1944 88:1235 89:3939 90:633 91:7873 92:2148 93:2644 94:3575 95:3992 96:1299 97:316 98:1081 99:738 100:96 101:1410 102:2971 103:32451 104:4797 105:591 106:967 107:2753 108:1136 109:4199 110:2131 111:3135 112:2072 113:1684 114:1726 115:1992 116:1916 117:2569 118:2739 119:1952 120:1765 121:1223 122:2619 123:2172 124:1593 125:2748 128:1426 129:897 130:1052 131:1986 132:820 133:410 134:1718 135:301 136:919 137:983 138:2713 139:1561 140:1333 141:1342 142:1532 143:1522 144:1002 145:341 146:1985 147:1635 148:2460 149:2320 150:1009 151:1257 152:1830 153:525 154:5315 155:1377 156:2097 157:1357 158:1059 159:2203 160:2614 161:1602 162:3566 163:1619 164:1615 165:1861 166:1105 167:1763 168:3822 169:794 170:4688 171:970 172:3765 173:2994 174:953 175:1209 176:3616 177:4577 178:3534 179:2191 180:2287 181:3603 182:3400 183:2021 184:2257 185:20419 186:4744 187:4273 188:4046 189:3998 190:9285 191:1477 192:10961 193:8969 194:7289 195:5193 196:3132 197:2536 198:5934 199:6558 200:7991 201:6240 202:10220 203:10030 204:4572 205:3663 206:4376 207:3410 208:4085 209:4885 210:4242 211:2451 212:4223 213:3377 214:1116 215:71 216:6719 217:2750 218:1289 219:412 220:1801 221:1011 222:697 223:2196 End of report