IPv4 R&E Routing Table Report 23:05 GMT Thu 18 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: 939327 Prefixes after maximum aggregation (per Origin AS): 360444 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 462308 Number of IPv4 prefixes with a valid ROA: 479389 Number of IPv4 prefixes with an invalid ROA: 1183 Number of IPv4 prefixes with no ROA: 458755 Total ASes present in the Internet Routing Table: 74446 Prefixes per ASN: 12.62 Origin-only ASes present in the Internet Routing Table: 63980 Origin ASes announcing only one prefix: 26382 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 499 Paths with bogon ASNs present in the IPv4 Routing Table: 24 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: 995 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 45003 Number of 32-bit ASNs visible in the Routing Table: 35501 Prefixes from 32-bit ASNs in the Routing Table: 184712 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: 555 Number of addresses announced to Internet: 3023965184 Equivalent to 180 /8s, 62 /16s and 12 /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: 310666 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242783 Total APNIC prefixes after maximum aggregation: 71666 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 234753 Unique aggregates announced from the APNIC address blocks: 98162 APNIC Region origin ASes present in the Internet Routing Table: 12851 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 4029 APNIC Region transit ASes present in the Internet Routing Table: 1752 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: 8452 Number of APNIC addresses announced to Internet: 759584768 Equivalent to 45 /8s, 70 /16s and 88 /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: 276741 Total ARIN prefixes after maximum aggregation: 125134 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281236 Unique aggregates announced from the ARIN address blocks: 134650 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6943 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4934 Number of ARIN addresses announced to Internet: 1267017984 Equivalent to 75 /8s, 133 /16s and 41 /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: 265355 Total RIPE prefixes after maximum aggregation: 127555 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260601 Unique aggregates announced from the RIPE address blocks: 165313 RIPE Region origin ASes present in the Internet Routing Table: 28642 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: 3890 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: 11883 Number of RIPE addresses announced to Internet: 714833152 Equivalent to 42 /8s, 155 /16s and 125 /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: 121721 Total LACNIC prefixes after maximum aggregation: 29172 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119678 Unique aggregates announced from the LACNIC address blocks: 50219 LACNIC Region origin ASes present in the Internet Routing Table: 11125 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2431 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: 9012 Number of LACNIC addresses announced to Internet: 176985088 Equivalent to 10 /8s, 140 /16s and 148 /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: 31732 Total AfriNIC prefixes after maximum aggregation: 6257 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 42504 Unique aggregates announced from the AfriNIC address blocks: 13510 AfriNIC Region origin ASes present in the Internet Routing Table: 1859 AfriNIC Prefixes per ASN: 22.86 AfriNIC Region origin ASes announcing only one prefix: 665 AfriNIC Region transit ASes present in the Internet Routing Table: 352 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: 1220 Number of AfriNIC addresses announced to Internet: 105178112 Equivalent to 6 /8s, 68 /16s and 228 /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 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5658 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4195 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3955 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 433 199 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 10155 11543 3625 AMAZON-02, US 11492 4596 305 583 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3815 8790 884 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3252 54899 2504 DNIC-AS-00749, US 16625 3006 1296 2170 AKAMAI-AS, US 7018 2951 23687 1848 ATT-INTERNET4, US 396982 2760 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 7690 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3812 3396 130 AKAMAI-ASN1, NL 9009 3583 305 1827 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1774 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1710 123 1249 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1574 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 11716 3272 579 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2544 354 679 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 1321 777 200 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 6147 1078 369 22 Telefonica del Peru S.A.A., PE 22884 1061 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 1612 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 280 ETISALAT-MISR, EG 29571 1266 80 74 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 37342 528 32 1 MOVITEL, MZ 15399 519 56 58 WANANCHI-, KE 36914 501 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 8151 11716 3272 579 UNINET, MX 16509 10155 11543 3625 AMAZON-02, US 9808 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7690 1708 145 UNI2-AS, ES 7545 5658 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4596 305 583 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4195 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3955 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 9844 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7690 7545 UNI2-AS, ES 16509 10155 6530 AMAZON-02, US 7545 5658 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4195 4172 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4596 4013 CABLEONE, US 7552 3955 3934 VIETEL-AS-AP Viettel Group, VN 20940 3812 3682 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: 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 /14:1163 /15:2050 /16:13170 /17:8139 /18:13581 /19:24292 /20:43053 /21:51169 /22:110372 /23:98740 /24:572565 /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 6781 7690 UNI2-AS, ES 8151 5803 11716 UNINET, MX 11492 3509 4596 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2132 10155 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1506 3:378 4:6 5:4388 6:149 7:6 8:1510 9:1 11:172 12:1433 13:363 14:2323 15:321 16:219 17:365 18:784 20:384 21:4 22:188 23:6877 24:2675 25:2 27:2479 29:19 31:2591 32:44 34:65 35:133 36:2309 37:4414 38:8106 39:911 40:149 41:4094 42:1983 43:2293 44:327 45:17247 46:4532 47:300 49:1934 50:1864 51:580 52:1569 54:315 55:921 56:8 57:214 58:2118 59:1153 60:1050 61:2647 62:2749 63:1881 64:5465 65:2287 66:4612 67:3004 68:1308 69:4048 70:1159 71:558 72:2857 74:2600 75:1552 76:622 77:2486 78:1866 79:1780 80:2197 81:2011 82:1639 83:1361 84:1695 85:3179 86:926 87:2027 88:1236 89:4177 90:692 91:8172 92:2339 93:2716 94:3726 95:4199 96:1278 97:317 98:1028 99:738 100:73 101:1153 102:3329 103:28945 104:4751 105:698 106:995 107:2493 108:1148 109:4038 110:2120 111:3240 112:2044 113:1774 114:1629 115:1925 116:1871 117:2645 118:2595 119:1861 120:1745 121:1292 122:2668 123:2158 124:1589 125:2828 126:32 128:1377 129:923 130:1173 131:1878 132:802 133:417 134:1727 135:319 136:1121 137:1046 138:2868 139:1520 140:1418 141:1373 142:1668 143:1623 144:1002 145:359 146:2086 147:2004 148:2550 149:2767 150:1028 151:1337 152:2213 153:522 154:6803 155:1418 156:2186 157:1814 158:1173 159:2431 160:2803 161:1696 162:3512 163:1671 164:1674 165:2131 166:1249 167:1816 168:4037 169:799 170:4927 171:1024 172:3865 173:3056 174:893 175:1192 176:3452 177:4692 178:3595 179:2202 180:2301 181:3791 182:3197 183:1979 184:2254 185:20870 186:5027 187:4397 188:4050 189:4147 190:9455 191:1525 192:11013 193:9161 194:7473 195:5287 196:3217 197:2740 198:5920 199:8014 200:8045 201:6179 202:9911 203:10041 204:4569 205:3632 206:4450 207:3489 208:4152 209:4985 210:4389 211:2533 212:4359 213:3586 214:1069 215:49 216:6724 217:3061 218:1326 219:429 220:1792 221:1016 222:691 223:2194 End of report