IPv4 R&E Routing Table Report 23:05 GMT Thu 25 Jul, 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: 946216 Prefixes after maximum aggregation (per Origin AS): 362955 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466230 Number of IPv4 prefixes with a valid ROA: 487869 Number of IPv4 prefixes with an invalid ROA: 1152 Number of IPv4 prefixes with no ROA: 457195 Total ASes present in the Internet Routing Table: 75806 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65191 Origin ASes announcing only one prefix: 26681 Transit ASes present in the Internet Routing Table: 10615 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 986 Number of instances of unregistered ASNs: 997 Number of 32-bit ASNs allocated by the RIRs: 45031 Number of 32-bit ASNs visible in the Routing Table: 36718 Prefixes from 32-bit ASNs in the Routing Table: 188938 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3025492992 Equivalent to 180 /8s, 85 /16s and 92 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310462 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249532 Total APNIC prefixes after maximum aggregation: 74058 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241444 Unique aggregates announced from the APNIC address blocks: 101737 APNIC Region origin ASes present in the Internet Routing Table: 14180 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4311 APNIC Region transit ASes present in the Internet Routing Table: 1881 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9651 Number of APNIC addresses announced to Internet: 761170688 Equivalent to 45 /8s, 94 /16s and 139 /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: 276839 Total ARIN prefixes after maximum aggregation: 125145 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281377 Unique aggregates announced from the ARIN address blocks: 134890 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4941 Number of ARIN addresses announced to Internet: 1267061760 Equivalent to 75 /8s, 133 /16s and 212 /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, 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: 265604 Total RIPE prefixes after maximum aggregation: 127725 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260642 Unique aggregates announced from the RIPE address blocks: 165364 RIPE Region origin ASes present in the Internet Routing Table: 28648 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11882 Number of RIPE addresses announced to Internet: 714580480 Equivalent to 42 /8s, 151 /16s and 162 /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: 121725 Total LACNIC prefixes after maximum aggregation: 29102 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119693 Unique aggregates announced from the LACNIC address blocks: 50141 LACNIC Region origin ASes present in the Internet Routing Table: 11133 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2429 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: 9022 Number of LACNIC addresses announced to Internet: 177163264 Equivalent to 10 /8s, 143 /16s and 76 /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: 31530 Total AfriNIC prefixes after maximum aggregation: 6270 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42517 Unique aggregates announced from the AfriNIC address blocks: 13647 AfriNIC Region origin ASes present in the Internet Routing Table: 1862 AfriNIC Prefixes per ASN: 22.83 AfriNIC Region origin ASes announcing only one prefix: 670 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1222 Number of AfriNIC addresses announced to Internet: 105216256 Equivalent to 6 /8s, 69 /16s and 121 /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 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4208 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3241 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2825 861 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 434 200 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10256 11564 3645 AMAZON-02, US 11492 4621 307 549 CABLEONE, US 7155 4160 285 86 VIASAT-SP-BACKBONE, US 174 3851 8790 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54898 2503 DNIC-AS-00749, US 16625 3008 1298 2172 AKAMAI-AS, US 7018 2925 23689 1836 ATT-INTERNET4, US 396982 2758 3594 409 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 7709 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3812 3396 129 AKAMAI-ASN1, NL 9009 3586 306 1832 M247, RO 12389 2865 2291 859 ROSTELECOM-AS, RU 34984 2350 362 575 TELLCOM-AS, TR 8551 1778 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1724 124 1260 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 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 11876 3306 508 UNINET, MX 10620 3523 493 939 Telmex Colombia S.A., CO 13999 2540 355 680 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 769 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1097 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1062 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1613 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1284 81 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 37342 512 32 1 MOVITEL, MZ 36914 473 82 3 KENET-AS, KE 24757 426 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 11876 3306 508 UNINET, MX 16509 10256 11564 3645 AMAZON-02, US 9808 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7709 1708 145 UNI2-AS, ES 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4621 307 549 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4208 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4160 285 86 VIASAT-SP-BACKBONE, US 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9853 9779 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7564 UNI2-AS, ES 16509 10256 6611 AMAZON-02, US 7545 5660 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4208 4185 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4074 VIASAT-SP-BACKBONE, US 11492 4621 4072 CABLEONE, US 7552 3961 3940 VIETEL-AS-AP Viettel Group, VN 20940 3812 3683 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 214471 UNALLOCATED 2.59.252.0/24 35661 VIRTUASYS-EU, FR 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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: 6939 HURRICANE, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /10:37 /11:92 /12:294 /13:570 /14:1162 /15:2051 /16:13141 /17:8149 /18:13582 /19:24337 /20:43122 /21:51262 /22:110661 /23:99279 /24:578437 /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 6800 7709 UNI2-AS, ES 8151 5935 11876 UNINET, MX 11492 3532 4621 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3108 4160 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2152 3523 Telmex Colombia S.A., CO 16509 2152 10256 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1513 3:389 4:6 5:4372 6:149 7:6 8:1508 9:1 11:172 12:1437 13:368 14:2333 15:326 16:219 17:366 18:786 20:384 21:4 22:188 23:6886 24:2696 25:2 27:2617 29:19 31:2586 32:44 34:67 35:135 36:2341 37:4450 38:8116 39:912 40:150 41:4037 42:1990 43:2367 44:329 45:17466 46:4544 47:300 49:1964 50:1857 51:580 52:1576 54:318 55:922 56:8 57:213 58:2137 59:1191 60:1051 61:2671 62:2755 63:1861 64:5458 65:2281 66:4609 67:3006 68:1308 69:4031 70:1158 71:559 72:2855 74:2597 75:1559 76:614 77:2484 78:1868 79:1782 80:2168 81:1987 82:1657 83:1362 84:1712 85:3177 86:944 87:2024 88:1247 89:4222 90:699 91:8179 92:2341 93:2714 94:3735 95:4198 96:1278 97:317 98:1037 99:739 100:73 101:1165 102:3296 103:32216 104:4744 105:698 106:997 107:2487 108:1154 109:4047 110:2124 111:3196 112:2053 113:1812 114:1806 115:2023 116:1937 117:2649 118:2796 119:1969 120:1795 121:1292 122:2696 123:2251 124:1607 125:2830 126:32 128:1360 129:927 130:1171 131:1865 132:804 133:417 134:1714 135:319 136:1125 137:1057 138:2855 139:1525 140:1419 141:1380 142:1671 143:1626 144:1021 145:358 146:2092 147:2002 148:2535 149:2771 150:1032 151:1341 152:2227 153:522 154:6792 155:1433 156:2323 157:1901 158:1174 159:2430 160:2853 161:1702 162:3522 163:1702 164:1682 165:2137 166:1250 167:1827 168:4026 169:807 170:4917 171:1029 172:3886 173:3060 174:896 175:1238 176:3451 177:4601 178:3593 179:2215 180:2419 181:3797 182:3322 183:1979 184:2255 185:20883 186:4957 187:4317 188:4071 189:4116 190:9474 191:1530 192:11034 193:9160 194:7479 195:5301 196:3213 197:2649 198:5897 199:8000 200:8083 201:6301 202:10171 203:10264 204:4546 205:3624 206:4439 207:3495 208:4157 209:4988 210:4484 211:2537 212:4368 213:3606 214:1066 215:49 216:6724 217:2963 218:1327 219:432 220:1810 221:1037 222:693 223:2219 End of report