IPv4 R&E Routing Table Report 23:05 GMT Thu 19 Oct, 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: 925762 Prefixes after maximum aggregation (per Origin AS): 352843 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453625 Number of IPv4 prefixes with a valid ROA: 426595 Number of IPv4 prefixes with an invalid ROA: 1685 Number of IPv4 prefixes with no ROA: 497482 Total ASes present in the Internet Routing Table: 74761 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64191 Origin ASes announcing only one prefix: 26466 Transit ASes present in the Internet Routing Table: 10570 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 42860 Number of 32-bit ASNs visible in the Routing Table: 35193 Prefixes from 32-bit ASNs in the Routing Table: 175565 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: 527 Number of addresses announced to Internet: 3051220480 Equivalent to 181 /8s, 221 /16s and 238 /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: 99.5 Total number of prefixes smaller than registry allocations: 309304 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241790 Total APNIC prefixes after maximum aggregation: 70260 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235314 Unique aggregates announced from the APNIC address blocks: 99027 APNIC Region origin ASes present in the Internet Routing Table: 13620 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4094 APNIC Region transit ASes present in the Internet Routing Table: 1825 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9011 Number of APNIC addresses announced to Internet: 772190976 Equivalent to 46 /8s, 6 /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: 272387 Total ARIN prefixes after maximum aggregation: 123591 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276144 Unique aggregates announced from the ARIN address blocks: 132036 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1276754944 Equivalent to 76 /8s, 25 /16s and 188 /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: 261723 Total RIPE prefixes after maximum aggregation: 123909 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256818 Unique aggregates announced from the RIPE address blocks: 160188 RIPE Region origin ASes present in the Internet Routing Table: 28410 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3954 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11360 Number of RIPE addresses announced to Internet: 716371968 Equivalent to 42 /8s, 178 /16s and 248 /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: 118645 Total LACNIC prefixes after maximum aggregation: 28372 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117601 Unique aggregates announced from the LACNIC address blocks: 49244 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2349 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8870 Number of LACNIC addresses announced to Internet: 178423040 Equivalent to 10 /8s, 162 /16s and 133 /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: 30151 Total AfriNIC prefixes after maximum aggregation: 5983 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39358 Unique aggregates announced from the AfriNIC address blocks: 12689 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 628 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144 Number of AfriNIC addresses announced to Internet: 107053056 Equivalent to 6 /8s, 97 /16s and 128 /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 9485 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5711 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3210 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9133 11000 3261 AMAZON-02, US 11492 4538 301 676 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3517 3055 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3080 3836 1443 DNIC-ASBLK-00306-00371, US 16625 3031 1397 2306 AKAMAI-AS, US 396982 2704 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2526 23613 1588 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4079 3397 147 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3107 277 1521 M247, RO 12389 2905 2297 916 ROSTELECOM-AS, RU 34984 2332 362 592 TELLCOM-AS, TR 58224 1701 920 523 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1534 1852 15 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 11812 3373 617 UNINET, MX 10620 3541 504 857 Telmex Colombia S.A., CO 13999 2417 331 625 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1284 343 511 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1053 168 424 Techtel LMDS Comunicaciones Interactiva 26615 1040 2501 51 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 471 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 11812 3373 617 UNINET, MX 9808 9485 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9133 11000 3261 AMAZON-02, US 12479 7389 1713 145 UNI2-AS, ES 7545 5711 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 676 CABLEONE, US 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4079 3397 147 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 9485 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7389 7244 UNI2-AS, ES 16509 9133 5872 AMAZON-02, US 7545 5711 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4206 4181 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4079 3932 AKAMAI-ASN1, NL 11492 4538 3862 CABLEONE, US 7552 3605 3585 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 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 6461 ZAYO-6461, 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 /11:101 /12:299 /13:578 /14:1192 /15:2087 /16:13431 /17:8237 /18:13707 /19:24801 /20:43247 /21:51165 /22:109815 /23:98791 /24:558235 /25:0 /26:1 /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 6476 7389 UNI2-AS, ES 8151 5862 11812 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3517 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2115 3541 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) ---------------------------------------------- 1:2207 2:1435 3:266 4:5 5:4387 6:145 7:6 8:1498 9:1 11:172 12:1500 13:361 14:2309 15:305 16:194 17:362 18:663 20:308 21:4 22:188 23:6459 24:2522 25:2 27:2579 29:19 31:2547 32:72 34:27 35:114 36:2007 37:4479 38:5448 39:867 40:143 41:4002 42:2042 43:2253 44:325 45:16635 46:4301 47:370 49:1831 50:1879 51:579 52:1587 54:392 55:957 56:5 57:127 58:1789 59:1115 60:1005 61:2544 62:2681 63:1910 64:5643 65:2352 66:4960 67:3051 68:1343 69:4121 70:1185 71:639 72:2941 74:2622 75:1565 76:630 77:2303 78:1828 79:3008 80:2114 81:1828 82:1514 83:1306 84:1561 85:3046 86:767 87:2004 88:1199 89:3930 90:620 91:7844 92:2067 93:2636 94:3565 95:4000 96:1301 97:316 98:1081 99:736 100:92 101:1295 102:2924 103:32140 104:4774 105:577 106:914 107:2721 108:1129 109:4239 110:2136 111:3142 112:2056 113:1748 114:1693 115:1991 116:1893 117:2531 118:2701 119:1958 120:1783 121:1139 122:2601 123:2173 124:1575 125:2571 128:1408 129:911 130:1040 131:1963 132:856 133:408 134:1778 135:304 136:906 137:981 138:2666 139:1584 140:1300 141:1334 142:1507 143:1530 144:999 145:350 146:1964 147:1611 148:2448 149:2334 150:879 151:1239 152:1958 153:523 154:5137 155:1399 156:2002 157:1345 158:1057 159:2190 160:2638 161:1600 162:3508 163:1612 164:1709 165:1862 166:1062 167:1732 168:3832 169:792 170:4594 171:951 172:3799 173:2988 174:978 175:1185 176:3611 177:4509 178:3538 179:2145 180:2472 181:3523 182:3384 183:1990 184:2268 185:20633 186:4724 187:4176 188:4090 189:3901 190:9291 191:1367 192:10933 193:8941 194:7305 195:5209 196:3188 197:2514 198:5929 199:6292 200:7951 201:6159 202:10187 203:9983 204:4533 205:3694 206:4328 207:3412 208:4099 209:4900 210:4211 211:2448 212:4279 213:3384 214:1107 215:71 216:6698 217:2773 218:1271 219:407 220:1802 221:984 222:665 223:2151 End of report