IPv4 R&E Routing Table Report 23:05 GMT Fri 03 Jan, 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: 967176 Prefixes after maximum aggregation (per Origin AS): 369567 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469780 Number of IPv4 prefixes with a valid ROA: 520430 Number of IPv4 prefixes with an invalid ROA: 1118 Number of IPv4 prefixes with no ROA: 445628 Total ASes present in the Internet Routing Table: 76329 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65486 Origin ASes announcing only one prefix: 26821 Transit ASes present in the Internet Routing Table: 10843 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1051 Number of instances of unregistered ASNs: 1056 Number of 32-bit ASNs allocated by the RIRs: 46007 Number of 32-bit ASNs visible in the Routing Table: 37531 Prefixes from 32-bit ASNs in the Routing Table: 196249 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: 489 Number of addresses announced to Internet: 3115671296 Equivalent to 185 /8s, 181 /16s and 95 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316485 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253796 Total APNIC prefixes after maximum aggregation: 76093 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245388 Unique aggregates announced from the APNIC address blocks: 102473 APNIC Region origin ASes present in the Internet Routing Table: 14408 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4411 APNIC Region transit ASes present in the Internet Routing Table: 1925 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9914 Number of APNIC addresses announced to Internet: 756611328 Equivalent to 45 /8s, 24 /16s and 249 /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: 285469 Total ARIN prefixes after maximum aggregation: 126326 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286724 Unique aggregates announced from the ARIN address blocks: 132478 ARIN Region origin ASes present in the Internet Routing Table: 19161 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 5094 Number of ARIN addresses announced to Internet: 1344075008 Equivalent to 80 /8s, 28 /16s and 245 /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: 269272 Total RIPE prefixes after maximum aggregation: 130596 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266271 Unique aggregates announced from the RIPE address blocks: 170016 RIPE Region origin ASes present in the Internet Routing Table: 28788 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3952 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12161 Number of RIPE addresses announced to Internet: 732970496 Equivalent to 43 /8s, 176 /16s and 62 /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: 123091 Total LACNIC prefixes after maximum aggregation: 29297 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120571 Unique aggregates announced from the LACNIC address blocks: 48809 LACNIC Region origin ASes present in the Internet Routing Table: 11172 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2487 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: 9098 Number of LACNIC addresses announced to Internet: 177494272 Equivalent to 10 /8s, 148 /16s and 89 /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: 34497 Total AfriNIC prefixes after maximum aggregation: 6598 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 47733 Unique aggregates announced from the AfriNIC address blocks: 15593 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 25.04 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1264 Number of AfriNIC addresses announced to Internet: 104262912 Equivalent to 6 /8s, 54 /16s and 237 /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 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4337 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4053 523 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2830 845 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 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 12486 37785 3182 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4248 8763 871 COGENT-174, US 7155 4171 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3388 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3242 23513 2058 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2835 1226 2122 AKAMAI-AS, 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 7697 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3880 3395 125 AKAMAI-ASN1, NL 9009 3753 322 1897 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1842 132 1357 CDNEXT, GB 8452 1630 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 99 750 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 11534 3227 605 UNINET, MX 10620 3548 494 936 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 2503 53 TIM SA, BR 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 1669 593 29 RAYA-AS, EG 24863 1643 389 18 LINKdotNET-AS, EG 29571 1481 94 56 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 530 82 3 KENET-AS, KE 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 12486 37785 3182 AMAZON-02, US 8151 11534 3227 605 UNINET, MX 9808 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7697 1709 143 UNI2-AS, ES 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4337 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4248 8763 871 COGENT-174, US 7155 4171 287 85 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 11534 10929 UNINET, MX 9808 10098 10011 CHINAMOBILE-CN China Mobile Communications Grou 12479 7697 7554 UNI2-AS, ES 7545 6195 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4337 4314 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4171 4086 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4053 3780 BBIL-AP BHARTI Airtel Ltd., IN 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 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: 3491 CONSOLE-CONNECT-ASN, US 23.131.212.0/24 Origin: 140822 ANPHATIDC-VSIS-AS-VN ANPHATIDC, VN 23.131.212.0/24 Transit: 18403 FPT-AS-AP FPT Telecom Company, VN 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, 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 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 /11:93 /12:310 /13:589 /14:1219 /15:2147 /16:13922 /17:8183 /18:13621 /19:24451 /20:43741 /21:51727 /22:111629 /23:99834 /24:595636 /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 6669 7697 UNI2-AS, ES 8151 5727 11534 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3119 4171 VIASAT-SP-BACKBONE, US 22773 2523 3388 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2243 12486 AMAZON-02, US 30036 2226 2565 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3548 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) ---------------------------------------------- 1:2285 2:1536 3:538 4:9 5:4498 6:165 7:6 8:1549 9:1 11:172 12:1395 13:360 14:2473 15:334 16:270 17:359 18:906 20:446 21:4 22:188 23:7159 24:2647 25:2 27:2661 29:19 31:3023 32:37 34:72 35:176 36:2393 37:4496 38:8997 39:882 40:151 41:4129 42:2002 43:2493 44:341 45:18235 46:4949 47:290 49:2002 50:1864 51:587 52:1574 54:315 55:1028 56:8 57:231 58:2200 59:1179 60:1157 61:2837 62:2884 63:1829 64:5408 65:2212 66:4623 67:3021 68:1285 69:3972 70:1107 71:599 72:2855 74:2776 75:1638 76:627 77:2587 78:1847 79:1694 80:2203 81:2037 82:1795 83:1417 84:1797 85:3203 86:977 87:2151 88:1265 89:4313 90:760 91:8298 92:2741 93:2833 94:3839 95:4185 96:1257 97:308 98:1063 99:736 100:72 101:1369 102:3741 103:32378 104:4451 105:743 106:1013 107:2601 108:1184 109:4067 110:2214 111:3322 112:2037 113:1790 114:1937 115:2153 116:2009 117:2682 118:2878 119:1952 120:1859 121:1330 122:2734 123:2163 124:1589 125:2819 126:62 128:1558 129:938 130:1257 131:1849 132:797 133:450 134:1512 135:323 136:1337 137:1096 138:2895 139:1547 140:1515 141:1451 142:1820 143:1586 144:1025 145:433 146:2117 147:2031 148:2579 149:2832 150:1193 151:1569 152:2106 153:500 154:8115 155:1577 156:3507 157:1859 158:1253 159:2428 160:3440 161:1764 162:3606 163:1770 164:1684 165:2152 166:1343 167:1863 168:4087 169:796 170:5078 171:1000 172:3998 173:3186 174:914 175:1279 176:3565 177:4808 178:3721 179:2217 180:2523 181:3978 182:3349 183:2071 184:2256 185:21290 186:5033 187:4193 188:4220 189:4072 190:9598 191:1564 192:11206 193:9293 194:7669 195:5409 196:3242 197:3614 198:5975 199:8281 200:8037 201:6289 202:10285 203:10469 204:4595 205:3657 206:4616 207:3491 208:4188 209:5082 210:4475 211:2494 212:4506 213:3766 214:1054 215:48 216:6602 217:3081 218:1323 219:375 220:2109 221:1050 222:676 223:2285 End of report