IPv4 R&E Routing Table Report 23:05 GMT Tue 11 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: 971405 Prefixes after maximum aggregation (per Origin AS): 372150 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474251 Number of IPv4 prefixes with a valid ROA: 529376 Number of IPv4 prefixes with an invalid ROA: 790 Number of IPv4 prefixes with no ROA: 441239 Total ASes present in the Internet Routing Table: 76451 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65628 Origin ASes announcing only one prefix: 26901 Transit ASes present in the Internet Routing Table: 10823 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1026 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 46105 Number of 32-bit ASNs visible in the Routing Table: 37755 Prefixes from 32-bit ASNs in the Routing Table: 198716 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 479 Number of addresses announced to Internet: 3111514880 Equivalent to 185 /8s, 117 /16s and 243 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318382 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255084 Total APNIC prefixes after maximum aggregation: 76448 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246572 Unique aggregates announced from the APNIC address blocks: 102656 APNIC Region origin ASes present in the Internet Routing Table: 14456 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4442 APNIC Region transit ASes present in the Internet Routing Table: 1934 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9976 Number of APNIC addresses announced to Internet: 753276928 Equivalent to 44 /8s, 230 /16s and 24 /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: 285600 Total ARIN prefixes after maximum aggregation: 127146 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287163 Unique aggregates announced from the ARIN address blocks: 135189 ARIN Region origin ASes present in the Internet Routing Table: 19171 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7017 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: 5131 Number of ARIN addresses announced to Internet: 1343309568 Equivalent to 80 /8s, 17 /16s and 71 /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: 271268 Total RIPE prefixes after maximum aggregation: 131874 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268386 Unique aggregates announced from the RIPE address blocks: 171826 RIPE Region origin ASes present in the Internet Routing Table: 28830 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12071 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: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12247 Number of RIPE addresses announced to Internet: 732492288 Equivalent to 43 /8s, 168 /16s and 242 /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: 123305 Total LACNIC prefixes after maximum aggregation: 29240 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120633 Unique aggregates announced from the LACNIC address blocks: 48870 LACNIC Region origin ASes present in the Internet Routing Table: 11199 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2476 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: 9131 Number of LACNIC addresses announced to Internet: 177852160 Equivalent to 10 /8s, 153 /16s and 207 /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: 35122 Total AfriNIC prefixes after maximum aggregation: 6798 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 48172 Unique aggregates announced from the AfriNIC address blocks: 15305 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.18 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 376 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: 104327680 Equivalent to 6 /8s, 55 /16s and 234 /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 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6213 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4226 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4214 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3668 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2838 853 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2213 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 12703 38945 3720 AMAZON-02, US 11492 4703 312 556 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3594 8756 873 COGENT-174, US 22773 3380 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2922 3659 447 GOOGLE-CLOUD-PLATFORM, US 16625 2899 1243 2143 AKAMAI-AS, US 30036 2588 360 262 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 7750 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3889 3395 126 AKAMAI-ASN1, NL 9009 3737 322 1921 M247, RO 12389 2984 2302 890 ROSTELECOM-AS, RU 34984 2368 361 579 TELLCOM-AS, TR 212238 1941 140 1429 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1487 98 747 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 11726 3224 605 UNINET, MX 10620 3542 492 950 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 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 6147 1110 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 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 1684 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1539 97 100 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 545 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 12703 38945 3720 AMAZON-02, US 8151 11726 3224 605 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7750 1714 145 UNI2-AS, ES 7545 6213 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4703 312 556 CABLEONE, US 18403 4226 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4214 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4180 287 86 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 11726 11121 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7750 7605 UNI2-AS, ES 7545 6213 5548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4226 4201 FPT-AS-AP FPT Telecom Company, VN 11492 4703 4147 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4214 3941 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 3893 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 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 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 /11:93 /12:307 /13:583 /14:1214 /15:2141 /16:13908 /17:8217 /18:13618 /19:24426 /20:43719 /21:51812 /22:111789 /23:100578 /24:598926 /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 6709 7750 UNI2-AS, ES 8151 5934 11726 UNINET, MX 11492 3556 4703 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2515 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2253 12703 AMAZON-02, US 30036 2248 2588 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2182 3542 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) ---------------------------------------------- 1:2303 2:1503 3:569 4:10 5:4498 6:165 7:6 8:1556 9:1 11:172 12:1384 13:350 14:2505 15:347 16:270 17:357 18:917 20:450 21:4 22:188 23:7250 24:2733 25:2 27:2693 29:19 31:3122 32:35 34:80 35:200 36:2406 37:4600 38:8566 39:895 40:153 41:4210 42:1920 43:2511 44:346 45:18277 46:4955 47:292 49:1981 50:1885 51:589 52:1572 54:306 55:1096 56:9 57:240 58:2221 59:1174 60:1166 61:2832 62:2931 63:1821 64:5491 65:2194 66:4609 67:3028 68:1119 69:3998 70:1114 71:606 72:2849 74:2780 75:1639 76:626 77:2628 78:1850 79:1712 80:2210 81:2052 82:2339 83:1406 84:1790 85:3307 86:1018 87:2174 88:1277 89:4326 90:754 91:8318 92:2787 93:2859 94:3917 95:4174 96:1324 97:308 98:977 99:736 100:71 101:1380 102:3670 103:32257 104:4654 105:816 106:1008 107:2609 108:1193 109:4072 110:2219 111:3379 112:2044 113:1787 114:1939 115:2167 116:2043 117:2740 118:2838 119:1945 120:1868 121:1348 122:2739 123:2153 124:1601 125:2870 126:94 128:1555 129:955 130:1264 131:1873 132:783 133:450 134:1530 135:324 136:1332 137:1098 138:2895 139:1592 140:1541 141:1471 142:1823 143:1607 144:1062 145:461 146:2134 147:2062 148:2598 149:2823 150:1205 151:1668 152:2115 153:504 154:7918 155:1595 156:3610 157:1873 158:1251 159:2421 160:3542 161:1851 162:3647 163:1793 164:1685 165:2174 166:1353 167:1876 168:4067 169:789 170:5067 171:1001 172:4272 173:3237 174:917 175:1278 176:3594 177:4788 178:3764 179:2239 180:2539 181:3982 182:3368 183:2033 184:2258 185:21444 186:5076 187:4278 188:4216 189:4139 190:9581 191:1521 192:11139 193:9375 194:7734 195:5464 196:3236 197:3748 198:6052 199:8311 200:8014 201:6303 202:10323 203:10509 204:4535 205:3648 206:4605 207:3473 208:4177 209:5111 210:4488 211:2529 212:4527 213:3734 214:1054 215:42 216:6579 217:3102 218:1335 219:376 220:2117 221:1053 222:716 223:2312 End of report