IPv4 R&E Routing Table Report 23:05 GMT Mon 05 Aug, 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: 946446 Prefixes after maximum aggregation (per Origin AS): 362462 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464762 Number of IPv4 prefixes with a valid ROA: 489778 Number of IPv4 prefixes with an invalid ROA: 1046 Number of IPv4 prefixes with no ROA: 455622 Total ASes present in the Internet Routing Table: 75774 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65156 Origin ASes announcing only one prefix: 26716 Transit ASes present in the Internet Routing Table: 10618 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 13 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: 946 Number of instances of unregistered ASNs: 953 Number of 32-bit ASNs allocated by the RIRs: 45098 Number of 32-bit ASNs visible in the Routing Table: 36730 Prefixes from 32-bit ASNs in the Routing Table: 189259 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: 516 Number of addresses announced to Internet: 3025671168 Equivalent to 180 /8s, 88 /16s and 20 /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: 310469 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250014 Total APNIC prefixes after maximum aggregation: 74140 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242013 Unique aggregates announced from the APNIC address blocks: 101928 APNIC Region origin ASes present in the Internet Routing Table: 14183 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4326 APNIC Region transit ASes present in the Internet Routing Table: 1874 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: 9652 Number of APNIC addresses announced to Internet: 761810688 Equivalent to 45 /8s, 104 /16s and 79 /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: 277176 Total ARIN prefixes after maximum aggregation: 125181 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281509 Unique aggregates announced from the ARIN address blocks: 134986 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4940 Number of ARIN addresses announced to Internet: 1266331648 Equivalent to 75 /8s, 122 /16s and 176 /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: 265065 Total RIPE prefixes after maximum aggregation: 127927 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 260707 Unique aggregates announced from the RIPE address blocks: 165537 RIPE Region origin ASes present in the Internet Routing Table: 28646 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11898 Number of RIPE addresses announced to Internet: 714599424 Equivalent to 42 /8s, 151 /16s and 236 /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: 121553 Total LACNIC prefixes after maximum aggregation: 28302 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 119520 Unique aggregates announced from the LACNIC address blocks: 48001 LACNIC Region origin ASes present in the Internet Routing Table: 11121 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2436 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: 9017 Number of LACNIC addresses announced to Internet: 177896448 Equivalent to 10 /8s, 154 /16s and 124 /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: 31692 Total AfriNIC prefixes after maximum aggregation: 6284 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 42181 Unique aggregates announced from the AfriNIC address blocks: 13876 AfriNIC Region origin ASes present in the Internet Routing Table: 1862 AfriNIC Prefixes per ASN: 22.65 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 353 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: 1223 Number of AfriNIC addresses announced to Internet: 104736512 Equivalent to 6 /8s, 62 /16s and 39 /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 9855 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5664 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4253 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3966 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3793 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3636 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3244 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 201 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 10453 11578 3704 AMAZON-02, US 11492 4625 307 546 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3840 8785 883 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3424 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3258 54898 2510 DNIC-AS-00749, US 16625 2995 1291 2159 AKAMAI-AS, US 7018 2974 23680 1866 ATT-INTERNET4, US 396982 2762 3584 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 7707 1708 145 UNI2-AS, ES 39891 4406 265 62 ALJAWWALSTC-AS, SA 20940 3810 3396 129 AKAMAI-ASN1, NL 9009 3569 305 1843 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2330 360 583 TELLCOM-AS, TR 8551 1782 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1734 124 1268 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 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 11845 3290 519 UNINET, MX 10620 3531 493 934 Telmex Colombia S.A., CO 13999 2554 619 38 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 19037 1224 278 33 AMX Argentina S.A., AR 6503 1127 314 483 Axtel, S.A.B. de C.V., MX 26615 1078 2503 53 TIM SA, BR 22884 1068 98 370 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 1615 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1307 83 79 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 537 82 3 KENET-AS, KE 37342 504 32 1 MOVITEL, MZ 24757 427 73 5 EthioNet-AS, ET 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 11845 3290 519 UNINET, MX 16509 10453 11578 3704 AMAZON-02, US 9808 9855 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7707 1708 145 UNI2-AS, ES 7545 5664 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4625 307 546 CABLEONE, US 39891 4406 265 62 ALJAWWALSTC-AS, SA 18403 4253 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3966 1331 22 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 9855 9781 CHINAMOBILE-CN China Mobile Communications Grou 12479 7707 7562 UNI2-AS, ES 16509 10453 6749 AMAZON-02, US 7545 5664 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4406 4344 ALJAWWALSTC-AS, SA 18403 4253 4230 FPT-AS-AP FPT Telecom Company, VN 11492 4625 4079 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3966 3944 VIETEL-AS-AP Viettel Group, VN 20940 3810 3681 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 23.137.192.0/24 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 /11:92 /12:294 /13:573 /14:1162 /15:2051 /16:13109 /17:8145 /18:13570 /19:24306 /20:43100 /21:51221 /22:110750 /23:99181 /24:578815 /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 6793 7707 UNI2-AS, ES 8151 5933 11845 UNINET, MX 11492 3536 4625 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3232 4406 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3424 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2160 3531 Telmex Colombia S.A., CO 30036 2157 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2151 10453 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 2:1500 3:393 4:6 5:4366 6:162 7:6 8:1502 9:1 11:172 12:1431 13:368 14:2352 15:324 16:258 17:363 18:857 20:405 21:4 22:188 23:6899 24:2693 25:2 27:2599 29:19 31:2624 32:44 34:67 35:135 36:2344 37:4494 38:8136 39:913 40:150 41:4103 42:2021 43:2391 44:332 45:17331 46:4575 47:299 49:1969 50:1850 51:579 52:1578 54:319 55:946 56:8 57:214 58:2153 59:1199 60:1059 61:2690 62:2763 63:1851 64:5427 65:2273 66:4616 67:3004 68:1346 69:4017 70:1154 71:555 72:2852 74:2593 75:1559 76:614 77:2498 78:1785 79:1791 80:2172 81:2012 82:1664 83:1365 84:1695 85:3149 86:936 87:2024 88:1251 89:4184 90:698 91:8182 92:2355 93:2645 94:3734 95:4206 96:1276 97:316 98:1045 99:739 100:73 101:1160 102:3311 103:32233 104:4750 105:697 106:1005 107:2498 108:1154 109:4052 110:2109 111:3211 112:2056 113:1806 114:1816 115:2035 116:1950 117:2631 118:2811 119:1981 120:1793 121:1292 122:2698 123:2246 124:1611 125:2830 126:64 128:1365 129:931 130:1173 131:1864 132:814 133:428 134:1717 135:309 136:1124 137:1060 138:2862 139:1527 140:1421 141:1384 142:1670 143:1630 144:1023 145:361 146:2094 147:2015 148:2530 149:2756 150:1031 151:1357 152:2230 153:521 154:6439 155:1439 156:2333 157:1921 158:1175 159:2427 160:2947 161:1710 162:3535 163:1731 164:1676 165:2137 166:1261 167:1840 168:4033 169:801 170:4918 171:1034 172:3878 173:3059 174:899 175:1245 176:3446 177:4604 178:3646 179:2200 180:2424 181:3789 182:3329 183:1978 184:2261 185:20897 186:4950 187:4334 188:4090 189:4125 190:9506 191:1502 192:11014 193:9194 194:7477 195:5292 196:3206 197:2641 198:5911 199:8021 200:8058 201:6265 202:10242 203:10308 204:4536 205:3635 206:4453 207:3523 208:4139 209:4983 210:4475 211:2533 212:4386 213:3623 214:1060 215:49 216:6722 217:2936 218:1328 219:432 220:1811 221:1035 222:699 223:2219 End of report