IPv4 R&E Routing Table Report 23:05 GMT Thu 20 Feb, 2025 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: 970900 Prefixes after maximum aggregation (per Origin AS): 372062 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475213 Number of IPv4 prefixes with a valid ROA: 529865 Number of IPv4 prefixes with an invalid ROA: 1051 Number of IPv4 prefixes with no ROA: 439984 Total ASes present in the Internet Routing Table: 76485 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65624 Origin ASes announcing only one prefix: 26869 Transit ASes present in the Internet Routing Table: 10861 Transit-only ASes present in the Internet Routing Table: 527 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1036 Number of instances of unregistered ASNs: 1041 Number of 32-bit ASNs allocated by the RIRs: 46146 Number of 32-bit ASNs visible in the Routing Table: 37804 Prefixes from 32-bit ASNs in the Routing Table: 199023 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3112242176 Equivalent to 185 /8s, 129 /16s and 12 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 318762 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254522 Total APNIC prefixes after maximum aggregation: 76015 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246843 Unique aggregates announced from the APNIC address blocks: 102672 APNIC Region origin ASes present in the Internet Routing Table: 14472 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4418 APNIC Region transit ASes present in the Internet Routing Table: 1951 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9995 Number of APNIC addresses announced to Internet: 753231872 Equivalent to 44 /8s, 229 /16s and 104 /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, 131072-155961 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: 285578 Total ARIN prefixes after maximum aggregation: 127222 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 287597 Unique aggregates announced from the ARIN address blocks: 135892 ARIN Region origin ASes present in the Internet Routing Table: 19176 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7018 ARIN Region transit ASes present in the Internet Routing Table: 1919 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5143 Number of ARIN addresses announced to Internet: 1344303872 Equivalent to 80 /8s, 32 /16s and 115 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 271477 Total RIPE prefixes after maximum aggregation: 132143 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 268872 Unique aggregates announced from the RIPE address blocks: 172577 RIPE Region origin ASes present in the Internet Routing Table: 28832 RIPE Prefixes per ASN: 9.33 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3960 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12264 Number of RIPE addresses announced to Internet: 732193792 Equivalent to 43 /8s, 164 /16s and 100 /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, 53/8, 57/8, 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: 123409 Total LACNIC prefixes after maximum aggregation: 29219 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120690 Unique aggregates announced from the LACNIC address blocks: 48863 LACNIC Region origin ASes present in the Internet Routing Table: 11196 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2478 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9132 Number of LACNIC addresses announced to Internet: 177888256 Equivalent to 10 /8s, 154 /16s and 92 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 34878 Total AfriNIC prefixes after maximum aggregation: 6808 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 46393 Unique aggregates announced from the AfriNIC address blocks: 14787 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 24.26 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 368 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 104364544 Equivalent to 6 /8s, 56 /16s and 122 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6214 844 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4277 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2846 854 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2165 434 195 TATACOMM-AS TATA Communications formerly 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 12789 39189 3775 AMAZON-02, US 11492 4704 312 569 CABLEONE, US 7155 4173 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3547 8764 939 COGENT-174, US 22773 3369 3035 177 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2931 3660 450 GOOGLE-CLOUD-PLATFORM, US 16625 2925 1250 2160 AKAMAI-AS, US 30036 2592 359 279 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 7770 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3888 3395 127 AKAMAI-ASN1, NL 9009 3729 320 1916 M247, RO 12389 2992 2303 892 ROSTELECOM-AS, RU 34984 2368 361 580 TELLCOM-AS, TR 212238 2020 146 1496 CDNEXT, GB 8452 1619 1852 14 TE-AS TE-AS, EG 13188 1581 99 93 TRIOLAN, UA 62240 1498 99 749 CLOUVIDER Clouvider - Global ASN, 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 11763 3231 596 UNINET, MX 10620 3544 492 951 Telmex Colombia S.A., CO 13999 2512 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1349 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1145 371 22 Telefonica del Peru S.A.A., PE 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 22884 1077 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1011 278 33 Techtel LMDS Comunicaciones Interactivas 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 1683 599 30 RAYA-AS, EG 24863 1644 389 16 LINKdotNET-AS, EG 29571 1556 98 101 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 997 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 36914 558 82 3 KENET-AS, KE 6713 557 1861 35 IAM-AS, MA 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 16509 12789 39189 3775 AMAZON-02, US 8151 11763 3231 596 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7770 1714 145 UNI2-AS, ES 7545 6214 844 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4704 312 569 CABLEONE, US 18403 4277 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7155 4173 286 83 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11763 11167 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7770 7625 UNI2-AS, ES 7545 6214 5553 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4277 4252 FPT-AS-AP FPT Telecom Company, VN 11492 4704 4135 CABLEONE, US 7155 4173 4090 VIASAT-SP-BACKBONE, US 9498 4239 3965 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 3896 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 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 /9:16 /10:42 /11:92 /12:307 /13:584 /14:1214 /15:2140 /16:13900 /17:8237 /18:13611 /19:24430 /20:43695 /21:51751 /22:111918 /23:100655 /24:598292 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6723 7770 UNI2-AS, ES 8151 5966 11763 UNINET, MX 11492 3556 4704 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3120 4173 VIASAT-SP-BACKBONE, US 22773 2509 3369 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12789 AMAZON-02, US 30036 2252 2592 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 3544 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) ---------------------------------------------- 1:2305 2:1505 3:573 4:10 5:4510 6:165 7:6 8:1554 9:1 11:172 12:1381 13:349 14:2510 15:348 16:273 17:356 18:917 20:450 21:4 22:188 23:7263 24:2727 25:2 27:2701 29:19 31:3146 32:35 34:81 35:201 36:2409 37:4590 38:8610 39:896 40:153 41:4149 42:1939 43:2523 44:353 45:18238 46:4932 47:291 49:1974 50:1890 51:590 52:1569 54:300 55:1090 56:9 57:240 58:2224 59:1216 60:1167 61:2840 62:2940 63:1826 64:5502 65:2193 66:4598 67:3027 68:1119 69:3967 70:1105 71:608 72:2861 74:2781 75:1645 76:611 77:2658 78:1850 79:1724 80:2205 81:2024 82:2584 83:1409 84:1794 85:3353 86:1020 87:2157 88:1280 89:4304 90:761 91:8315 92:2804 93:2859 94:3910 95:4200 96:1363 97:318 98:979 99:741 100:71 101:1376 102:3697 103:32331 104:4791 105:744 106:995 107:2589 108:1198 109:4087 110:2227 111:3308 112:2047 113:1791 114:1943 115:2123 116:2037 117:2744 118:2880 119:1945 120:1875 121:1356 122:2748 123:2162 124:1607 125:2885 126:94 128:1554 129:947 130:1266 131:1842 132:790 133:450 134:1521 135:325 136:1332 137:1105 138:2872 139:1610 140:1561 141:1479 142:1826 143:1602 144:1065 145:466 146:2122 147:2062 148:2609 149:2856 150:1228 151:1685 152:2103 153:504 154:7114 155:1604 156:2770 157:1887 158:1248 159:2419 160:3566 161:1867 162:3681 163:1814 164:1698 165:2177 166:1358 167:1881 168:4028 169:788 170:5066 171:1001 172:4343 173:3243 174:916 175:1280 176:3615 177:4778 178:3753 179:2223 180:2562 181:3989 182:3368 183:2037 184:2294 185:21434 186:5119 187:4369 188:4224 189:4195 190:9609 191:1526 192:11150 193:9367 194:7744 195:5480 196:3248 197:3643 198:6053 199:8323 200:8030 201:6360 202:10319 203:10526 204:4531 205:3622 206:4569 207:3458 208:4180 209:5133 210:4508 211:2523 212:4511 213:3727 214:1058 215:42 216:6569 217:3099 218:1336 219:376 220:2114 221:1049 222:717 223:2311 End of report