IPv4 R&E Routing Table Report 23:05 GMT Wed 06 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: 933649 Prefixes after maximum aggregation (per Origin AS): 357223 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458315 Number of IPv4 prefixes with a valid ROA: 450126 Number of IPv4 prefixes with an invalid ROA: 1043 Number of IPv4 prefixes with no ROA: 482480 Total ASes present in the Internet Routing Table: 75297 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64808 Origin ASes announcing only one prefix: 26583 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 470 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: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 43778 Number of 32-bit ASNs visible in the Routing Table: 35940 Prefixes from 32-bit ASNs in the Routing Table: 181347 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 534 Number of addresses announced to Internet: 3040480768 Equivalent to 181 /8s, 58 /16s and 14 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308499 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245970 Total APNIC prefixes after maximum aggregation: 72251 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238755 Unique aggregates announced from the APNIC address blocks: 100102 APNIC Region origin ASes present in the Internet Routing Table: 13932 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4222 APNIC Region transit ASes present in the Internet Routing Table: 1848 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9366 Number of APNIC addresses announced to Internet: 774167552 Equivalent to 46 /8s, 36 /16s and 220 /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: 272523 Total ARIN prefixes after maximum aggregation: 123519 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277215 Unique aggregates announced from the ARIN address blocks: 132633 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4846 Number of ARIN addresses announced to Internet: 1269944832 Equivalent to 75 /8s, 177 /16s and 210 /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: 262806 Total RIPE prefixes after maximum aggregation: 125935 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257463 Unique aggregates announced from the RIPE address blocks: 162195 RIPE Region origin ASes present in the Internet Routing Table: 28550 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3899 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: 11638 Number of RIPE addresses announced to Internet: 712527872 Equivalent to 42 /8s, 120 /16s and 80 /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: 120939 Total LACNIC prefixes after maximum aggregation: 28714 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119509 Unique aggregates announced from the LACNIC address blocks: 49499 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2623 LACNIC Region transit ASes present in the Internet Routing Table: 2348 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: 8907 Number of LACNIC addresses announced to Internet: 177338880 Equivalent to 10 /8s, 145 /16s and 250 /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: 30352 Total AfriNIC prefixes after maximum aggregation: 6083 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 40173 Unique aggregates announced from the AfriNIC address blocks: 13453 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 347 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: 1183 Number of AfriNIC addresses announced to Internet: 106200576 Equivalent to 6 /8s, 84 /16s and 126 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3847 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2750 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9662 11290 3339 AMAZON-02, US 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3600 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3216 6644 669 COGENT-174, US 749 3199 54920 2451 DNIC-AS-00749, US 16625 3175 1378 2276 AKAMAI-AS, US 367 2916 3648 1406 DNIC-ASBLK-00306-00371, US 396982 2753 3638 403 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 7620 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3863 3395 126 AKAMAI-ASN1, NL 9009 3279 285 1597 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2655 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 594 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1490 97 711 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 12502 3346 588 UNINET, MX 10620 3525 496 890 Telmex Colombia S.A., CO 13999 2503 338 650 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 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1088 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 1550 545 28 RAYA-AS, EG 24863 1520 389 20 LINKdotNET-AS, EG 36992 1366 1517 307 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1161 75 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 37342 424 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 12502 3346 588 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9662 11290 3339 AMAZON-02, US 12479 7620 1714 147 UNI2-AS, ES 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3863 3395 126 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7620 7473 UNI2-AS, ES 16509 9662 6323 AMAZON-02, US 7545 5656 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4578 3929 CABLEONE, US 7552 3847 3826 VIETEL-AS-AP Viettel Group, VN 20940 3863 3737 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 /12:299 /13:573 /14:1191 /15:2058 /16:13334 /17:8114 /18:13570 /19:24518 /20:43070 /21:50751 /22:109741 /23:97966 /24:568292 /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 6734 7620 UNI2-AS, ES 8151 6468 12502 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 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2131 2655 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 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) ---------------------------------------------- 1:2295 2:1561 3:307 4:6 5:4501 6:161 7:6 8:1493 9:1 11:172 12:1467 13:382 14:2350 15:314 16:208 17:368 18:740 20:352 21:4 22:188 23:6614 24:2697 25:2 27:2628 29:19 31:2639 32:45 34:45 35:122 36:2196 37:4496 38:7074 39:894 40:140 41:4072 42:2200 43:2310 44:323 45:16847 46:4355 47:286 49:1895 50:1898 51:575 52:1585 54:310 55:861 56:5 57:147 58:1969 59:1121 60:1022 61:2611 62:2694 63:1901 64:5511 65:2323 66:4671 67:3052 68:1338 69:4045 70:1197 71:574 72:2899 74:2574 75:1553 76:631 77:2400 78:1839 79:2476 80:2145 81:1928 82:1503 83:1244 84:1643 85:3083 86:832 87:1968 88:1231 89:4009 90:681 91:7965 92:2197 93:2631 94:3641 95:4112 96:1287 97:312 98:1036 99:744 100:91 101:1160 102:3097 103:32472 104:4747 105:625 106:928 107:2763 108:1129 109:4053 110:2137 111:3164 112:2058 113:1759 114:1769 115:1958 116:1938 117:2621 118:2815 119:1967 120:1786 121:1268 122:2671 123:2195 124:1614 125:2836 126:28 128:1446 129:916 130:1083 131:1808 132:807 133:410 134:1710 135:313 136:918 137:1027 138:2806 139:1531 140:1361 141:1344 142:1551 143:1491 144:1015 145:343 146:2021 147:1698 148:2491 149:2559 150:1027 151:1322 152:1975 153:524 154:5855 155:1352 156:2232 157:1560 158:1098 159:2231 160:2596 161:1616 162:3600 163:1707 164:1618 165:2109 166:1070 167:1706 168:3949 169:781 170:4732 171:991 172:3837 173:3015 174:897 175:1217 176:3653 177:4478 178:3559 179:2205 180:2367 181:3664 182:3398 183:2027 184:2265 185:20609 186:4930 187:4399 188:4004 189:4078 190:9323 191:1434 192:10957 193:9017 194:7422 195:5257 196:3116 197:2541 198:5905 199:7351 200:8056 201:6348 202:10208 203:10129 204:4535 205:3703 206:4431 207:3410 208:4129 209:4965 210:4372 211:2486 212:4282 213:3407 214:1104 215:44 216:6749 217:2806 218:1313 219:409 220:1828 221:1023 222:695 223:2237 End of report