IPv4 R&E Routing Table Report 23:05 GMT Wed 04 Sep, 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: 950608 Prefixes after maximum aggregation (per Origin AS): 364679 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466346 Number of IPv4 prefixes with a valid ROA: 495690 Number of IPv4 prefixes with an invalid ROA: 1273 Number of IPv4 prefixes with no ROA: 453645 Total ASes present in the Internet Routing Table: 75942 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65207 Origin ASes announcing only one prefix: 26788 Transit ASes present in the Internet Routing Table: 10735 Transit-only ASes present in the Internet Routing Table: 514 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: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 979 Number of instances of unregistered ASNs: 986 Number of 32-bit ASNs allocated by the RIRs: 45298 Number of 32-bit ASNs visible in the Routing Table: 36952 Prefixes from 32-bit ASNs in the Routing Table: 191342 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3033490688 Equivalent to 180 /8s, 207 /16s and 101 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312688 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251415 Total APNIC prefixes after maximum aggregation: 74825 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242952 Unique aggregates announced from the APNIC address blocks: 100518 APNIC Region origin ASes present in the Internet Routing Table: 14248 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4340 APNIC Region transit ASes present in the Internet Routing Table: 1897 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9718 Number of APNIC addresses announced to Internet: 761327872 Equivalent to 45 /8s, 96 /16s and 241 /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: 277930 Total ARIN prefixes after maximum aggregation: 125519 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281916 Unique aggregates announced from the ARIN address blocks: 134739 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1902 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4970 Number of ARIN addresses announced to Internet: 1266624512 Equivalent to 75 /8s, 127 /16s and 40 /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: 265950 Total RIPE prefixes after maximum aggregation: 128366 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262075 Unique aggregates announced from the RIPE address blocks: 166449 RIPE Region origin ASes present in the Internet Routing Table: 28690 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11970 Number of RIPE addresses announced to Internet: 723741184 Equivalent to 43 /8s, 35 /16s and 106 /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: 122136 Total LACNIC prefixes after maximum aggregation: 28925 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119953 Unique aggregates announced from the LACNIC address blocks: 49761 LACNIC Region origin ASes present in the Internet Routing Table: 11147 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2465 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9054 Number of LACNIC addresses announced to Internet: 177191424 Equivalent to 10 /8s, 143 /16s and 186 /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: 32198 Total AfriNIC prefixes after maximum aggregation: 6416 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 43105 Unique aggregates announced from the AfriNIC address blocks: 14364 AfriNIC Region origin ASes present in the Internet Routing Table: 1875 AfriNIC Prefixes per ASN: 22.99 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1240 Number of AfriNIC addresses announced to Internet: 104281344 Equivalent to 6 /8s, 55 /16s and 53 /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 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5698 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4295 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3935 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2795 831 483 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 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 10637 11796 3731 AMAZON-02, US 11492 4629 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3965 8781 909 COGENT-174, US 6327 3602 1320 79 SHAW, CA 22773 3422 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3242 54889 2494 DNIC-AS-00749, US 7018 2944 23674 1853 ATT-INTERNET4, US 396982 2799 3568 428 GOOGLE-CLOUD-PLATFORM, US 16625 2796 1238 2100 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 7660 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3799 3395 126 AKAMAI-ASN1, NL 9009 3661 312 1853 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1790 128 1318 CDNEXT, GB 8551 1780 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 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 11782 3277 515 UNINET, MX 10620 3541 494 934 Telmex Colombia S.A., CO 13999 2521 354 679 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 773 201 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 22884 1064 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1045 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 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 948 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 544 82 3 KENET-AS, KE 37342 515 32 1 MOVITEL, MZ 15399 510 57 58 WANANCHI-, 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 8151 11782 3277 515 UNINET, MX 16509 10637 11796 3731 AMAZON-02, US 9808 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7660 1708 145 UNI2-AS, ES 7545 5698 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4295 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3965 8781 909 COGENT-174, 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 9808 9896 9821 CHINAMOBILE-CN China Mobile Communications Grou 12479 7660 7515 UNI2-AS, ES 16509 10637 6906 AMAZON-02, US 7545 5698 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4295 4272 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4082 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3935 3915 VIETEL-AS-AP Viettel Group, VN 20940 3799 3673 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 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 46639 UNALLOCATED 8.38.73.0/24 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 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 /11:93 /12:295 /13:574 /14:1167 /15:2062 /16:13165 /17:8137 /18:13615 /19:24336 /20:43128 /21:51224 /22:111031 /23:99416 /24:582288 /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 6723 7660 UNI2-AS, ES 8151 5916 11782 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2555 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2170 3541 Telmex Colombia S.A., CO 30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2145 10637 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2281 2:1511 3:453 4:6 5:4449 6:161 7:6 8:1514 9:1 11:172 12:1429 13:364 14:2368 15:327 16:259 17:360 18:878 20:408 21:4 22:188 23:6745 24:2680 25:2 27:2611 29:19 31:2675 32:44 34:68 35:138 36:2350 37:4511 38:8442 39:919 40:150 41:4051 42:1987 43:2411 44:333 45:17443 46:4642 47:299 49:1997 50:1859 51:574 52:1578 54:317 55:954 56:8 57:214 58:2168 59:1203 60:1064 61:2752 62:2781 63:1851 64:5457 65:2281 66:4603 67:3028 68:1337 69:4000 70:1145 71:561 72:2853 74:2677 75:1562 76:620 77:2509 78:1848 79:1811 80:2195 81:2002 82:1679 83:1363 84:1724 85:3172 86:973 87:2052 88:1247 89:4272 90:683 91:8215 92:2441 93:2729 94:3735 95:4268 96:1274 97:317 98:1067 99:736 100:73 101:1156 102:3370 103:32323 104:4355 105:708 106:972 107:2375 108:1160 109:4063 110:2134 111:3226 112:2048 113:1803 114:1882 115:2026 116:1954 117:2664 118:2867 119:1988 120:1799 121:1351 122:2687 123:2128 124:1617 125:2824 126:64 128:1360 129:933 130:1198 131:1852 132:812 133:431 134:1506 135:310 136:1180 137:1066 138:2847 139:1531 140:1451 141:1441 142:1691 143:1622 144:1025 145:365 146:2082 147:2028 148:2542 149:2800 150:1072 151:1358 152:2092 153:500 154:6522 155:1440 156:2650 157:1793 158:1184 159:2428 160:3046 161:1708 162:3548 163:1733 164:1686 165:2137 166:1293 167:1847 168:4029 169:799 170:4969 171:1035 172:3871 173:3079 174:902 175:1246 176:3432 177:4838 178:3592 179:2240 180:2458 181:3901 182:3325 183:2017 184:2260 185:20999 186:4985 187:4351 188:4083 189:4234 190:9532 191:1510 192:11031 193:9223 194:7511 195:5348 196:3229 197:3092 198:5905 199:8082 200:8030 201:6344 202:10207 203:10332 204:4566 205:3652 206:4486 207:3526 208:4167 209:5080 210:4499 211:2555 212:4397 213:3675 214:1061 215:49 216:6730 217:2945 218:1331 219:388 220:2032 221:1048 222:706 223:2232 End of report