IPv4 R&E Routing Table Report 23:05 GMT Mon 06 Feb, 2023 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: 903608 Prefixes after maximum aggregation (per Origin AS): 344458 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445717 Number of IPv4 prefixes with a valid ROA: 371273 Number of IPv4 prefixes with an invalid ROA: 1510 Number of IPv4 prefixes with no ROA: 530825 Total ASes present in the Internet Routing Table: 73908 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63482 Origin ASes announcing only one prefix: 26121 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 433 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 41200 Number of 32-bit ASNs visible in the Routing Table: 34057 Prefixes from 32-bit ASNs in the Routing Table: 166273 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3061411840 Equivalent to 182 /8s, 121 /16s and 112 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 303858 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234065 Total APNIC prefixes after maximum aggregation: 68138 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 229126 Unique aggregates announced from the APNIC address blocks: 97873 APNIC Region origin ASes present in the Internet Routing Table: 13165 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3805 APNIC Region transit ASes present in the Internet Routing Table: 1766 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8499 Number of APNIC addresses announced to Internet: 773026304 Equivalent to 46 /8s, 19 /16s and 114 /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, 131072-151865 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: 265869 Total ARIN prefixes after maximum aggregation: 120955 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267856 Unique aggregates announced from the ARIN address blocks: 129994 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 7000 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4725 Number of ARIN addresses announced to Internet: 1285577216 Equivalent to 76 /8s, 160 /16s and 90 /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, 393216-401308 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: 256238 Total RIPE prefixes after maximum aggregation: 120591 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252635 Unique aggregates announced from the RIPE address blocks: 156265 RIPE Region origin ASes present in the Internet Routing Table: 28199 RIPE Prefixes per ASN: 8.96 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3976 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10993 Number of RIPE addresses announced to Internet: 718156032 Equivalent to 42 /8s, 206 /16s and 49 /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 196608-213403 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: 117156 Total LACNIC prefixes after maximum aggregation: 28284 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116396 Unique aggregates announced from the LACNIC address blocks: 49113 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2280 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: 8772 Number of LACNIC addresses announced to Internet: 176273664 Equivalent to 10 /8s, 129 /16s and 185 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29278 Total AfriNIC prefixes after maximum aggregation: 5746 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37080 Unique aggregates announced from the AfriNIC address blocks: 12053 AfriNIC Region origin ASes present in the Internet Routing Table: 1722 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1068 Number of AfriNIC addresses announced to Internet: 108060928 Equivalent to 6 /8s, 112 /16s and 225 /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 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5866 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3524 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2735 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 845 439 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 213 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7912 10728 2918 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3665 3066 296 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3316 1678 2421 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2591 3497 365 GOOGLE-CLOUD-PLATFORM, US 30036 2550 365 416 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2537 24105 1520 ATT-INTERNET4, 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 6995 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4033 3399 169 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2696 256 1374 M247, RO 34984 2258 359 607 TELLCOM-AS, TR 6849 2187 339 19 UKRTELNET, UA 58224 1838 946 557 TCI, IR 13188 1607 100 27 TRIOLAN, UA 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 11083 3346 588 Uninet S.A. de C.V., MX 10620 3467 507 871 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2238 371 602 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1102 181 463 Techtel LMDS Comunicaciones Interactiva 26615 1018 2466 43 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 1539 533 30 RAYA-AS, EG 24863 1496 393 21 LINKdotNET-AS, EG 36992 1349 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 873 520 42 Vodafone-, EG 6713 548 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 492 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 11083 3346 588 Uninet S.A. de C.V., MX 9808 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7912 10728 2918 AMAZON-02, US 12479 6995 1706 146 UNI2-AS, ES 7545 5866 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4033 3399 169 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9443 9396 CHINAMOBILE-CN China Mobile Communications Grou 12479 6995 6849 UNI2-AS, ES 7545 5866 5163 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7912 4994 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 20940 4033 3864 AKAMAI-ASN1, NL 8551 3891 3854 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3637 3616 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:38 /11:101 /12:295 /13:578 /14:1198 /15:2075 /16:13461 /17:8214 /18:13752 /19:24800 /20:42875 /21:50830 /22:108722 /23:96682 /24:539949 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6058 6995 UNI2-AS, ES 8151 5090 11083 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2711 3665 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2208 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2042 2187 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1224 3:168 4:5 5:4253 6:114 7:5 8:1514 9:1 11:172 12:1587 13:379 14:2347 15:290 16:79 17:366 18:394 20:244 21:4 22:188 23:6042 24:2481 25:4 27:2641 29:19 31:2500 32:104 34:8 35:104 36:1907 37:4582 38:4070 39:838 40:154 41:4039 42:1052 43:2307 44:301 45:16354 46:4129 47:374 49:1732 50:1828 51:382 52:1556 54:394 55:860 56:8 57:80 58:1677 59:1108 60:995 61:2458 62:2619 63:1935 64:5647 65:2315 66:4915 67:3039 68:1349 69:4140 70:1252 71:661 72:2969 74:2590 75:1457 76:599 77:2393 78:1829 79:3176 80:2074 81:1714 82:1488 83:1236 84:1504 85:2973 86:755 87:1951 88:1215 89:3554 90:593 91:7636 92:2008 93:2589 94:3526 95:3925 96:1331 97:346 98:1159 99:741 100:75 101:1299 102:2586 103:30840 104:4563 105:485 106:847 107:2526 108:894 109:4363 110:2069 111:3297 112:2040 113:1477 114:1605 115:2013 116:1874 117:2553 118:2294 119:1896 120:1729 121:1048 122:2582 123:2137 124:1561 125:2298 128:1245 129:1048 130:974 131:1987 132:788 133:405 134:1907 135:297 136:866 137:926 138:2562 139:1547 140:1168 141:1476 142:1419 143:1493 144:1198 145:350 146:1856 147:1553 148:2261 149:1885 150:868 151:1142 152:1945 153:480 154:3896 155:1395 156:1661 157:1297 158:998 159:2262 160:2544 161:1412 162:3509 163:1483 164:1606 165:1666 166:827 167:1749 168:3850 169:918 170:4568 171:881 172:3515 173:2949 174:1024 175:1159 176:3688 177:4609 178:3555 179:2141 180:2399 181:3378 182:3242 183:1935 184:2338 185:19991 186:4641 187:3909 188:4069 189:3475 190:9079 191:1437 192:10931 193:8798 194:7225 195:5104 196:3133 197:2408 198:5876 199:6070 200:7674 201:5860 202:10230 203:10003 204:4585 205:3506 206:3797 207:3354 208:4066 209:4777 210:4161 211:2386 212:4060 213:3541 214:1098 215:56 216:6586 217:2643 218:1256 219:400 220:1771 221:969 222:665 223:2056 End of report