IPv4 R&E Routing Table Report 23:05 GMT Fri 26 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: 945968 Prefixes after maximum aggregation (per Origin AS): 363104 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466544 Number of IPv4 prefixes with a valid ROA: 487437 Number of IPv4 prefixes with an invalid ROA: 1087 Number of IPv4 prefixes with no ROA: 457444 Total ASes present in the Internet Routing Table: 75797 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65185 Origin ASes announcing only one prefix: 26691 Transit ASes present in the Internet Routing Table: 10612 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 1009 Number of instances of unregistered ASNs: 1020 Number of 32-bit ASNs allocated by the RIRs: 45036 Number of 32-bit ASNs visible in the Routing Table: 36734 Prefixes from 32-bit ASNs in the Routing Table: 188993 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: 556 Number of addresses announced to Internet: 3024979968 Equivalent to 180 /8s, 77 /16s and 136 /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: 310607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249584 Total APNIC prefixes after maximum aggregation: 74080 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241494 Unique aggregates announced from the APNIC address blocks: 101721 APNIC Region origin ASes present in the Internet Routing Table: 14180 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1879 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: 9654 Number of APNIC addresses announced to Internet: 761087232 Equivalent to 45 /8s, 93 /16s and 69 /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: 276837 Total ARIN prefixes after maximum aggregation: 125196 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281359 Unique aggregates announced from the ARIN address blocks: 134997 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4946 Number of ARIN addresses announced to Internet: 1267033344 Equivalent to 75 /8s, 133 /16s and 101 /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: 265305 Total RIPE prefixes after maximum aggregation: 127754 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260796 Unique aggregates announced from the RIPE address blocks: 165378 RIPE Region origin ASes present in the Internet Routing Table: 28647 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: 3904 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: 11891 Number of RIPE addresses announced to Internet: 714561280 Equivalent to 42 /8s, 151 /16s and 87 /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: 121704 Total LACNIC prefixes after maximum aggregation: 29147 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119696 Unique aggregates announced from the LACNIC address blocks: 50238 LACNIC Region origin ASes present in the Internet Routing Table: 11123 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2430 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: 9019 Number of LACNIC addresses announced to Internet: 177032192 Equivalent to 10 /8s, 141 /16s and 76 /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: 31529 Total AfriNIC prefixes after maximum aggregation: 6268 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42067 Unique aggregates announced from the AfriNIC address blocks: 13756 AfriNIC Region origin ASes present in the Internet Routing Table: 1863 AfriNIC Prefixes per ASN: 22.58 AfriNIC Region origin ASes announcing only one prefix: 670 AfriNIC Region transit ASes present in the Internet Routing Table: 358 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: 1224 Number of AfriNIC addresses announced to Internet: 104899072 Equivalent to 6 /8s, 64 /16s and 162 /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 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5658 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4204 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3962 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3242 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2811 855 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 434 200 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 10268 11565 3644 AMAZON-02, US 11492 4621 307 549 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3850 8790 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3008 1298 2172 AKAMAI-AS, US 7018 2924 23688 1835 ATT-INTERNET4, US 396982 2758 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 7714 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3810 3396 129 AKAMAI-ASN1, NL 9009 3565 304 1838 M247, RO 12389 2864 2291 859 ROSTELECOM-AS, RU 34984 2355 362 574 TELLCOM-AS, TR 8551 1782 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1727 124 1262 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 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 11879 3306 508 UNINET, MX 10620 3523 493 939 Telmex Colombia S.A., CO 13999 2531 354 691 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 1307 760 212 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1063 98 371 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 1611 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1293 82 76 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 512 32 1 MOVITEL, MZ 36914 472 82 3 KENET-AS, KE 24757 425 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 11879 3306 508 UNINET, MX 16509 10268 11565 3644 AMAZON-02, US 9808 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7714 1708 145 UNI2-AS, ES 7545 5658 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4621 307 549 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4204 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3962 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 9853 9779 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7569 UNI2-AS, ES 16509 10268 6624 AMAZON-02, US 7545 5658 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4204 4181 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4621 4072 CABLEONE, US 7552 3962 3941 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 23.140.216.0/24 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 /13:569 /14:1161 /15:2050 /16:13133 /17:8143 /18:13577 /19:24334 /20:43123 /21:51250 /22:110652 /23:99284 /24:578229 /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 6805 7714 UNI2-AS, ES 8151 5937 11879 UNINET, MX 11492 3532 4621 CABLEONE, US 6327 3392 3595 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 16509 2160 10268 AMAZON-02, US 30036 2155 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2152 3523 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) ---------------------------------------------- 1:2280 2:1509 3:388 4:6 5:4368 6:149 7:6 8:1509 9:1 11:172 12:1438 13:369 14:2332 15:326 16:218 17:366 18:786 20:385 21:4 22:188 23:6886 24:2695 25:2 27:2623 29:19 31:2591 32:44 34:67 35:135 36:2343 37:4438 38:8116 39:912 40:150 41:4034 42:1989 43:2365 44:330 45:17364 46:4547 47:300 49:1963 50:1856 51:580 52:1576 54:318 55:927 56:8 57:213 58:2138 59:1191 60:1051 61:2690 62:2755 63:1863 64:5461 65:2280 66:4615 67:3008 68:1299 69:4020 70:1158 71:559 72:2857 74:2594 75:1559 76:614 77:2484 78:1864 79:1787 80:2172 81:2017 82:1656 83:1366 84:1714 85:3177 86:940 87:2025 88:1247 89:4211 90:701 91:8179 92:2342 93:2720 94:3733 95:4210 96:1278 97:317 98:1037 99:739 100:73 101:1166 102:3297 103:32199 104:4756 105:698 106:1000 107:2494 108:1155 109:4049 110:2123 111:3202 112:2052 113:1810 114:1809 115:2027 116:1938 117:2647 118:2791 119:1964 120:1796 121:1293 122:2697 123:2247 124:1609 125:2830 126:32 128:1361 129:927 130:1170 131:1865 132:807 133:417 134:1708 135:319 136:1124 137:1056 138:2855 139:1524 140:1414 141:1384 142:1673 143:1627 144:1020 145:358 146:2090 147:1984 148:2537 149:2777 150:1029 151:1346 152:2221 153:521 154:6442 155:1430 156:2319 157:1898 158:1172 159:2427 160:2854 161:1707 162:3520 163:1703 164:1683 165:2137 166:1253 167:1822 168:4050 169:807 170:4906 171:1028 172:3884 173:3065 174:896 175:1236 176:3452 177:4649 178:3634 179:2219 180:2419 181:3799 182:3323 183:1979 184:2254 185:20900 186:4969 187:4314 188:4080 189:4111 190:9462 191:1515 192:11019 193:9158 194:7474 195:5301 196:3214 197:2648 198:5907 199:8007 200:8102 201:6317 202:10240 203:10290 204:4540 205:3642 206:4433 207:3495 208:4152 209:4988 210:4476 211:2537 212:4370 213:3620 214:1066 215:49 216:6724 217:2934 218:1327 219:432 220:1807 221:1037 222:699 223:2219 End of report