IPv4 R&E Routing Table Report 23:05 GMT Sat 16 Dec, 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: 928508 Prefixes after maximum aggregation (per Origin AS): 355684 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455396 Number of IPv4 prefixes with a valid ROA: 433159 Number of IPv4 prefixes with an invalid ROA: 731 Number of IPv4 prefixes with no ROA: 494618 Total ASes present in the Internet Routing Table: 74928 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64439 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 43229 Number of 32-bit ASNs visible in the Routing Table: 35467 Prefixes from 32-bit ASNs in the Routing Table: 177590 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: 512 Number of addresses announced to Internet: 3046513920 Equivalent to 181 /8s, 150 /16s and 29 /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: 309580 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243548 Total APNIC prefixes after maximum aggregation: 71290 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236764 Unique aggregates announced from the APNIC address blocks: 99330 APNIC Region origin ASes present in the Internet Routing Table: 13739 APNIC Prefixes per ASN: 17.23 APNIC Region origin ASes announcing only one prefix: 4143 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9141 Number of APNIC addresses announced to Internet: 770174208 Equivalent to 45 /8s, 231 /16s and 237 /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: 272295 Total ARIN prefixes after maximum aggregation: 124161 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276958 Unique aggregates announced from the ARIN address blocks: 132633 ARIN Region origin ASes present in the Internet Routing Table: 19026 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1275301120 Equivalent to 76 /8s, 3 /16s and 141 /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: 261879 Total RIPE prefixes after maximum aggregation: 124910 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256414 Unique aggregates announced from the RIPE address blocks: 160811 RIPE Region origin ASes present in the Internet Routing Table: 28484 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3911 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11471 Number of RIPE addresses announced to Internet: 714597632 Equivalent to 42 /8s, 151 /16s and 229 /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: 119396 Total LACNIC prefixes after maximum aggregation: 28594 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118096 Unique aggregates announced from the LACNIC address blocks: 49309 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2364 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: 8888 Number of LACNIC addresses announced to Internet: 178307328 Equivalent to 10 /8s, 160 /16s and 193 /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: 30369 Total AfriNIC prefixes after maximum aggregation: 6017 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39764 Unique aggregates announced from the AfriNIC address blocks: 12892 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 636 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151 Number of AfriNIC addresses announced to Internet: 107777792 Equivalent to 6 /8s, 108 /16s and 143 /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 9764 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5673 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4440 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3641 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3266 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3258 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2644 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2186 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 9364 11175 3410 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4167 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3476 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3153 1402 2315 AKAMAI-AS, US 367 2937 3834 1401 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2577 23628 1595 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 7591 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3981 3397 140 AKAMAI-ASN1, NL 9009 3496 300 1629 M247, RO 8551 3361 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2300 909 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 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 12146 3379 601 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2477 338 629 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 787 200 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1093 177 428 Techtel LMDS Comunicaciones Interactiva 6147 1085 369 22 Telefonica del Peru S.A.A., PE 22884 1070 117 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1049 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 525 82 3 KENET-AS, KE 15399 501 53 41 WANANCHI-, KE 37342 490 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 12146 3379 601 UNINET, MX 9808 9764 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9364 11175 3410 AMAZON-02, US 12479 7591 1714 146 UNI2-AS, ES 7545 5673 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4440 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4167 288 96 VIASAT-SP-BACKBONE, US 20940 3981 3397 140 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 9764 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7591 7445 UNI2-AS, ES 16509 9364 5954 AMAZON-02, US 7545 5673 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4440 4415 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4071 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3981 3841 AKAMAI-ASN1, NL 7552 3641 3621 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 /15:2058 /16:13401 /17:8152 /18:13655 /19:24747 /20:43131 /21:51119 /22:109961 /23:98971 /24:561072 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6677 7591 UNI2-AS, ES 8151 6154 12146 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3113 4167 VIASAT-SP-BACKBONE, US 8551 2838 3361 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2135 2480 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2241 2:1407 3:282 4:5 5:4389 6:162 7:6 8:1497 9:1 11:172 12:1489 13:372 14:2322 15:306 16:204 17:360 18:697 20:344 21:4 22:188 23:6566 24:2594 25:2 27:2557 29:19 31:2543 32:53 34:37 35:116 36:2087 37:4493 38:5726 39:881 40:147 41:4104 42:2141 43:2287 44:329 45:16607 46:4389 47:286 49:1890 50:1880 51:571 52:1596 54:381 55:875 56:5 57:126 58:1853 59:1104 60:1009 61:2471 62:2741 63:1906 64:5491 65:2349 66:4960 67:3050 68:1328 69:4053 70:1162 71:608 72:2920 74:2634 75:1551 76:626 77:2333 78:1823 79:3006 80:2110 81:1853 82:1523 83:1321 84:1604 85:2964 86:785 87:1975 88:1229 89:3932 90:650 91:7881 92:2183 93:2633 94:3576 95:4000 96:1296 97:316 98:1017 99:746 100:95 101:1145 102:3004 103:32310 104:4779 105:599 106:978 107:2757 108:1136 109:4166 110:2132 111:3149 112:2074 113:1705 114:1746 115:1971 116:1924 117:2559 118:2748 119:1945 120:1753 121:1238 122:2636 123:2171 124:1581 125:2753 128:1426 129:899 130:1060 131:1977 132:817 133:411 134:1717 135:294 136:911 137:981 138:2705 139:1549 140:1325 141:1353 142:1535 143:1522 144:999 145:334 146:1994 147:1645 148:2453 149:2387 150:1010 151:1282 152:1839 153:528 154:5338 155:1367 156:2093 157:1366 158:1090 159:2196 160:2623 161:1617 162:3586 163:1628 164:1616 165:1861 166:1081 167:1739 168:3816 169:788 170:4673 171:969 172:3753 173:3018 174:898 175:1212 176:3588 177:4642 178:3522 179:2187 180:2337 181:3595 182:3405 183:2019 184:2267 185:20461 186:4767 187:4275 188:3998 189:3942 190:9286 191:1481 192:10953 193:8973 194:7337 195:5208 196:3133 197:2641 198:5904 199:6766 200:7981 201:6262 202:10116 203:9983 204:4569 205:3611 206:4398 207:3385 208:4081 209:4909 210:4292 211:2486 212:4207 213:3363 214:1116 215:49 216:6763 217:2767 218:1289 219:413 220:1797 221:1016 222:698 223:2191 End of report