IPv4 R&E Routing Table Report 23:05 GMT Wed 12 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: 971417 Prefixes after maximum aggregation (per Origin AS): 372154 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474374 Number of IPv4 prefixes with a valid ROA: 529589 Number of IPv4 prefixes with an invalid ROA: 1015 Number of IPv4 prefixes with no ROA: 440813 Total ASes present in the Internet Routing Table: 76433 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65597 Origin ASes announcing only one prefix: 26883 Transit ASes present in the Internet Routing Table: 10836 Transit-only ASes present in the Internet Routing Table: 517 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: 72 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1035 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 46121 Number of 32-bit ASNs visible in the Routing Table: 37745 Prefixes from 32-bit ASNs in the Routing Table: 198790 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: 3111468288 Equivalent to 185 /8s, 117 /16s and 61 /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: 318309 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255290 Total APNIC prefixes after maximum aggregation: 76451 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246795 Unique aggregates announced from the APNIC address blocks: 102695 APNIC Region origin ASes present in the Internet Routing Table: 14458 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4429 APNIC Region transit ASes present in the Internet Routing Table: 1938 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: 9979 Number of APNIC addresses announced to Internet: 753203712 Equivalent to 44 /8s, 228 /16s and 250 /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: 285485 Total ARIN prefixes after maximum aggregation: 127124 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287047 Unique aggregates announced from the ARIN address blocks: 135219 ARIN Region origin ASes present in the Internet Routing Table: 19164 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7016 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 5128 Number of ARIN addresses announced to Internet: 1343316480 Equivalent to 80 /8s, 17 /16s and 98 /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: 271206 Total RIPE prefixes after maximum aggregation: 131880 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268338 Unique aggregates announced from the RIPE address blocks: 171839 RIPE Region origin ASes present in the Internet Routing Table: 28817 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 3954 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: 12242 Number of RIPE addresses announced to Internet: 732448512 Equivalent to 43 /8s, 168 /16s and 71 /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: 123325 Total LACNIC prefixes after maximum aggregation: 29234 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120665 Unique aggregates announced from the LACNIC address blocks: 48878 LACNIC Region origin ASes present in the Internet Routing Table: 11198 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2484 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: 9128 Number of LACNIC addresses announced to Internet: 177858560 Equivalent to 10 /8s, 153 /16s and 232 /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: 35076 Total AfriNIC prefixes after maximum aggregation: 6816 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48093 Unique aggregates announced from the AfriNIC address blocks: 15338 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.14 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 374 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 72 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1268 Number of AfriNIC addresses announced to Internet: 104380928 Equivalent to 6 /8s, 56 /16s and 186 /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 9498 4222 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4221 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3918 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 2840 852 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2215 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 12722 38947 3721 AMAZON-02, US 11492 4703 312 556 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3590 8756 873 COGENT-174, US 22773 3376 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2924 3659 447 GOOGLE-CLOUD-PLATFORM, US 16625 2905 1243 2149 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 7749 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3891 3395 127 AKAMAI-ASN1, NL 9009 3729 321 1916 M247, RO 12389 2984 2303 890 ROSTELECOM-AS, RU 34984 2368 361 579 TELLCOM-AS, TR 212238 1961 142 1449 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1488 98 748 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 11729 3224 601 UNINET, MX 10620 3542 492 950 Telmex Colombia S.A., CO 13999 2513 539 365 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, 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 6147 1108 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 372 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 1677 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1543 97 101 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 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 552 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 12722 38947 3721 AMAZON-02, US 8151 11729 3224 601 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7749 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 9498 4222 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4221 347 25 FPT-AS-AP FPT Telecom Company, VN 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 11729 11128 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7749 7604 UNI2-AS, ES 7545 6213 5548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4221 4196 FPT-AS-AP FPT Telecom Company, VN 11492 4703 4147 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4222 3948 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 /16:13911 /17:8216 /18:13617 /19:24422 /20:43739 /21:51811 /22:111792 /23:100565 /24:598932 /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 6706 7749 UNI2-AS, ES 8151 5936 11729 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 2512 3376 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2259 12722 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) ---------------------------------------------- 1:2304 2:1504 3:570 4:10 5:4501 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 23:7251 24:2732 25:2 27:2693 29:19 31:3128 32:37 34:80 35:200 36:2405 37:4599 38:8586 39:895 40:153 41:4202 42:1913 43:2514 44:347 45:18247 46:4952 47:292 49:1982 50:1879 51:588 52:1572 54:306 55:995 56:9 57:240 58:2221 59:1177 60:1167 61:2842 62:2932 63:1820 64:5488 65:2190 66:4605 67:3028 68:1108 69:3990 70:1113 71:606 72:2848 74:2780 75:1638 76:628 77:2627 78:1850 79:1710 80:2212 81:2037 82:2380 83:1406 84:1791 85:3306 86:1021 87:2164 88:1276 89:4315 90:756 91:8305 92:2795 93:2857 94:3916 95:4174 96:1323 97:308 98:978 99:738 100:71 101:1376 102:3667 103:32327 104:4666 105:815 106:1008 107:2609 108:1191 109:4072 110:2218 111:3369 112:2043 113:1790 114:1940 115:2169 116:2043 117:2741 118:2848 119:1945 120:1868 121:1351 122:2741 123:2159 124:1601 125:2886 126:94 128:1552 129:955 130:1265 131:1877 132:785 133:450 134:1525 135:324 136:1330 137:1103 138:2895 139:1599 140:1553 141:1471 142:1824 143:1612 144:1067 145:462 146:2137 147:2060 148:2594 149:2831 150:1213 151:1672 152:2103 153:504 154:7843 155:1597 156:3608 157:1880 158:1246 159:2420 160:3551 161:1856 162:3651 163:1793 164:1688 165:2174 166:1352 167:1880 168:4069 169:789 170:5070 171:1002 172:4268 173:3239 174:916 175:1277 176:3592 177:4762 178:3753 179:2243 180:2544 181:3993 182:3367 183:2033 184:2258 185:21429 186:5074 187:4292 188:4214 189:4153 190:9597 191:1524 192:11137 193:9376 194:7726 195:5462 196:3265 197:3726 198:6053 199:8307 200:8020 201:6308 202:10343 203:10533 204:4536 205:3651 206:4575 207:3471 208:4171 209:5126 210:4506 211:2529 212:4521 213:3732 214:1054 215:42 216:6577 217:3107 218:1335 219:374 220:2116 221:1053 222:716 223:2311 End of report