IPv4 R&E Routing Table Report 23:05 GMT Sat 09 Sep, 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: 921714 Prefixes after maximum aggregation (per Origin AS): 351413 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452655 Number of IPv4 prefixes with a valid ROA: 418468 Number of IPv4 prefixes with an invalid ROA: 1684 Number of IPv4 prefixes with no ROA: 501562 Total ASes present in the Internet Routing Table: 74587 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64177 Origin ASes announcing only one prefix: 26311 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1048 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 42579 Number of 32-bit ASNs visible in the Routing Table: 34999 Prefixes from 32-bit ASNs in the Routing Table: 174441 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3054534912 Equivalent to 182 /8s, 16 /16s and 129 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308010 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241167 Total APNIC prefixes after maximum aggregation: 69920 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234805 Unique aggregates announced from the APNIC address blocks: 98648 APNIC Region origin ASes present in the Internet Routing Table: 13532 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4025 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8916 Number of APNIC addresses announced to Internet: 772167936 Equivalent to 46 /8s, 6 /16s and 89 /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: 270893 Total ARIN prefixes after maximum aggregation: 123449 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273682 Unique aggregates announced from the ARIN address blocks: 131467 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 14.38 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1278972672 Equivalent to 76 /8s, 59 /16s and 147 /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: 260348 Total RIPE prefixes after maximum aggregation: 123043 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256441 Unique aggregates announced from the RIPE address blocks: 159999 RIPE Region origin ASes present in the Internet Routing Table: 28380 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11306 Number of RIPE addresses announced to Internet: 716664320 Equivalent to 42 /8s, 183 /16s and 110 /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: 118319 Total LACNIC prefixes after maximum aggregation: 28317 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117337 Unique aggregates announced from the LACNIC address blocks: 49219 LACNIC Region origin ASes present in the Internet Routing Table: 11014 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8833 Number of LACNIC addresses announced to Internet: 178499840 Equivalent to 10 /8s, 163 /16s and 177 /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: 29939 Total AfriNIC prefixes after maximum aggregation: 5963 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38850 Unique aggregates announced from the AfriNIC address blocks: 12820 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1129 Number of AfriNIC addresses announced to Internet: 107770624 Equivalent to 6 /8s, 108 /16s and 115 /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 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3732 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3328 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2498 848 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 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 9061 10989 3266 AMAZON-02, US 11492 4512 299 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3552 3040 311 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3152 54959 2404 DNIC-AS-00749, US 16625 2993 1435 2266 AKAMAI-AS, US 367 2958 3826 1387 DNIC-ASBLK-00306-00371, US 396982 2690 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2489 356 397 MEDIACOM-ENTERPRISE-BUSINESS, 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 7362 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4064 3398 152 AKAMAI-ASN1, NL 8551 3454 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2296 912 ROSTELECOM-AS, RU 9009 2723 253 1390 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1706 920 587 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1503 101 1171 ASDETUK www.heficed.com, US 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 11782 3368 602 UNINET, MX 10620 3538 506 849 Telmex Colombia S.A., CO 13999 2406 343 626 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1324 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1126 183 426 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1028 2501 49 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 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 780 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 55 50 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 459 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 11782 3368 602 UNINET, MX 9808 9484 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9061 10989 3266 AMAZON-02, US 12479 7362 1713 145 UNI2-AS, ES 7545 5726 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4512 299 673 CABLEONE, US 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4064 3398 152 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 9484 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7362 7217 UNI2-AS, ES 16509 9061 5795 AMAZON-02, US 7545 5726 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4353 4328 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4064 3912 AKAMAI-ASN1, NL 11492 4512 3839 CABLEONE, US 7552 3732 3712 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 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 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, 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 /10:38 /11:102 /12:297 /13:575 /14:1195 /15:2098 /16:13466 /17:8191 /18:13721 /19:24788 /20:43257 /21:50888 /22:109426 /23:98685 /24:554948 /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 6448 7362 UNI2-AS, ES 8151 5804 11782 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3424 4512 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2922 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2600 3552 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2101 3538 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) ---------------------------------------------- 1:2225 2:1388 3:257 4:5 5:4559 6:136 7:6 8:1504 9:1 11:172 12:1513 13:375 14:2311 15:304 16:192 17:369 18:638 20:282 21:4 22:188 23:6378 24:2482 25:6 27:2560 29:19 31:2522 32:77 34:26 35:114 36:1995 37:4530 38:5194 39:870 40:146 41:4036 42:2096 43:2267 44:320 45:16471 46:4271 47:378 49:1804 50:1872 51:597 52:1597 54:395 55:965 56:8 57:123 58:1794 59:1119 60:1001 61:2537 62:2675 63:1909 64:5635 65:2338 66:4873 67:3026 68:1339 69:4137 70:1191 71:658 72:2955 74:2592 75:1565 76:616 77:2326 78:1837 79:2985 80:2114 81:1836 82:1458 83:1286 84:1532 85:2997 86:767 87:1998 88:1169 89:3854 90:618 91:7817 92:2063 93:2620 94:3515 95:4009 96:1297 97:321 98:1081 99:736 100:90 101:1315 102:2906 103:32024 104:4597 105:557 106:886 107:2680 108:1127 109:4208 110:2127 111:3133 112:2060 113:1748 114:1657 115:1994 116:1906 117:2510 118:2700 119:1976 120:1775 121:1098 122:2593 123:2148 124:1580 125:2517 128:1414 129:913 130:1030 131:1953 132:847 133:406 134:1790 135:306 136:911 137:972 138:2632 139:1555 140:1163 141:1293 142:1501 143:1491 144:987 145:346 146:1923 147:1602 148:2428 149:2252 150:870 151:1231 152:1981 153:522 154:4923 155:1379 156:1933 157:1322 158:1084 159:2241 160:2602 161:1583 162:3529 163:1584 164:1695 165:1853 166:1056 167:1723 168:3702 169:904 170:4642 171:889 172:3698 173:2949 174:978 175:1181 176:3753 177:4439 178:3537 179:2121 180:2463 181:3517 182:3318 183:2005 184:2277 185:20525 186:4713 187:4175 188:4138 189:3800 190:9203 191:1438 192:10935 193:8940 194:7255 195:5198 196:3184 197:2467 198:5906 199:6109 200:7875 201:6026 202:10190 203:9976 204:4536 205:3686 206:4288 207:3390 208:4130 209:4890 210:4195 211:2438 212:4233 213:3404 214:1090 215:58 216:6665 217:2779 218:1265 219:404 220:1798 221:977 222:671 223:2143 End of report