IPv4 R&E Routing Table Report 23:05 GMT Wed 13 Mar, 2024 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: 935018 Prefixes after maximum aggregation (per Origin AS): 357412 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458152 Number of IPv4 prefixes with a valid ROA: 452782 Number of IPv4 prefixes with an invalid ROA: 1070 Number of IPv4 prefixes with no ROA: 481166 Total ASes present in the Internet Routing Table: 75325 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64834 Origin ASes announcing only one prefix: 26611 Transit ASes present in the Internet Routing Table: 10491 Transit-only ASes present in the Internet Routing Table: 476 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2485408) 56 Prefixes from unregistered ASNs in the Routing Table: 1117 Number of instances of unregistered ASNs: 1174 Number of 32-bit ASNs allocated by the RIRs: 43812 Number of 32-bit ASNs visible in the Routing Table: 35965 Prefixes from 32-bit ASNs in the Routing Table: 181497 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 681 Number of addresses announced to Internet: 3042555904 Equivalent to 181 /8s, 89 /16s and 184 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 308671 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246365 Total APNIC prefixes after maximum aggregation: 72242 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239161 Unique aggregates announced from the APNIC address blocks: 99797 APNIC Region origin ASes present in the Internet Routing Table: 13956 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4234 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9387 Number of APNIC addresses announced to Internet: 774049536 Equivalent to 46 /8s, 35 /16s and 15 /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: 273186 Total ARIN prefixes after maximum aggregation: 123563 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277762 Unique aggregates announced from the ARIN address blocks: 132519 ARIN Region origin ASes present in the Internet Routing Table: 19069 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 4854 Number of ARIN addresses announced to Internet: 1269973760 Equivalent to 75 /8s, 178 /16s and 67 /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: 262928 Total RIPE prefixes after maximum aggregation: 126093 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257590 Unique aggregates announced from the RIPE address blocks: 162331 RIPE Region origin ASes present in the Internet Routing Table: 28564 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12140 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11646 Number of RIPE addresses announced to Internet: 714559232 Equivalent to 42 /8s, 151 /16s and 79 /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: 121112 Total LACNIC prefixes after maximum aggregation: 28733 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119579 Unique aggregates announced from the LACNIC address blocks: 49517 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2349 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of LACNIC addresses announced to Internet: 177383424 Equivalent to 10 /8s, 146 /16s and 168 /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: 30310 Total AfriNIC prefixes after maximum aggregation: 6053 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40245 Unique aggregates announced from the AfriNIC address blocks: 13429 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 22.31 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1171 Number of AfriNIC addresses announced to Internet: 106225920 Equivalent to 6 /8s, 84 /16s and 225 /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 9809 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3288 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2758 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9711 11333 3348 AMAZON-02, US 11492 4578 304 648 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3442 6645 673 COGENT-174, US 749 3200 54920 2452 DNIC-AS-00749, US 16625 3167 1374 2268 AKAMAI-AS, US 367 2916 3630 1406 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, 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 7632 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3855 3395 125 AKAMAI-ASN1, NL 9009 3264 283 1591 M247, RO 12389 2895 2304 906 ROSTELECOM-AS, RU 8551 2652 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 1852 14 TE-AS TE-AS, EG 44477 1491 98 712 STARK-INDUSTRIES, GB 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 12569 3377 499 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2506 339 653 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1143 179 426 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 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 24835 1549 545 28 RAYA-AS, EG 24863 1480 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1172 75 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 519 55 53 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 24757 427 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 12569 3377 499 UNINET, MX 9808 9809 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9711 11333 3348 AMAZON-02, US 12479 7632 1714 147 UNI2-AS, ES 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4578 304 648 CABLEONE, US 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3855 3395 125 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 9809 9757 CHINAMOBILE-CN China Mobile Communications Grou 12479 7632 7485 UNI2-AS, ES 16509 9711 6363 AMAZON-02, US 7545 5654 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4573 4548 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4578 3930 CABLEONE, US 7552 3839 3819 VIETEL-AS-AP Viettel Group, VN 20940 3855 3730 AKAMAI-ASN1, NL 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 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 CROWNCASTLE-AS46887, 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 395195 UNALLOCATED 8.38.115.0/24 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3491 BTN-ASN, 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 /10:36 /11:98 /12:300 /13:574 /14:1192 /15:2058 /16:13338 /17:8107 /18:13570 /19:24516 /20:43083 /21:50848 /22:110001 /23:98139 /24:569120 /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 6747 7632 UNI2-AS, ES 8151 6486 12569 UNINET, MX 11492 3491 4578 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2508 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2128 2652 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2266 2:1562 3:311 4:6 5:4507 6:162 7:6 8:1495 9:1 11:172 12:1466 13:380 14:2348 15:314 16:209 17:368 18:749 20:355 21:4 22:188 23:6609 24:2700 25:2 27:2628 29:19 31:2629 32:46 34:61 35:123 36:2203 37:4484 38:7377 39:894 40:125 41:4068 42:2198 43:2297 44:320 45:16822 46:4352 47:295 49:1895 50:1901 51:572 52:1587 54:311 55:970 56:5 57:152 58:1972 59:1122 60:1022 61:2607 62:2693 63:1901 64:5517 65:2316 66:4663 67:3052 68:1339 69:4067 70:1196 71:573 72:2876 74:2577 75:1550 76:631 77:2407 78:1841 79:2476 80:2151 81:1936 82:1501 83:1279 84:1640 85:3086 86:829 87:1982 88:1233 89:4017 90:683 91:7991 92:2186 93:2623 94:3617 95:4117 96:1288 97:312 98:1034 99:741 100:92 101:1162 102:3065 103:32454 104:4746 105:635 106:911 107:2760 108:1131 109:4046 110:2139 111:3183 112:2060 113:1763 114:1769 115:2003 116:1873 117:2615 118:2841 119:1957 120:1784 121:1268 122:2675 123:2195 124:1606 125:2836 126:28 128:1445 129:916 130:1082 131:1789 132:810 133:410 134:1715 135:311 136:932 137:1033 138:2799 139:1556 140:1373 141:1354 142:1552 143:1484 144:1013 145:341 146:2015 147:1702 148:2494 149:2557 150:1084 151:1329 152:1972 153:525 154:5828 155:1385 156:2237 157:1600 158:1099 159:2235 160:2594 161:1631 162:3596 163:1702 164:1616 165:2111 166:1066 167:1716 168:3921 169:789 170:4698 171:990 172:3834 173:3032 174:899 175:1215 176:3651 177:4530 178:3580 179:2236 180:2369 181:3670 182:3393 183:2026 184:2264 185:20595 186:4896 187:4442 188:4017 189:4111 190:9311 191:1518 192:10962 193:9028 194:7438 195:5239 196:3144 197:2525 198:5905 199:7437 200:7999 201:6354 202:10201 203:10128 204:4565 205:3716 206:4445 207:3413 208:4131 209:4981 210:4380 211:2475 212:4328 213:3405 214:1104 215:43 216:6754 217:2806 218:1312 219:409 220:1826 221:1023 222:694 223:2199 End of report