IPv4 R&E Routing Table Report 23:05 GMT Thu 17 Aug, 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: 920647 Prefixes after maximum aggregation (per Origin AS): 350620 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452461 Number of IPv4 prefixes with a valid ROA: 416892 Number of IPv4 prefixes with an invalid ROA: 1529 Number of IPv4 prefixes with no ROA: 502226 Total ASes present in the Internet Routing Table: 74561 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64131 Origin ASes announcing only one prefix: 26324 Transit ASes present in the Internet Routing Table: 10430 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1013 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 42439 Number of 32-bit ASNs visible in the Routing Table: 34929 Prefixes from 32-bit ASNs in the Routing Table: 173558 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 565 Number of addresses announced to Internet: 3051121152 Equivalent to 181 /8s, 220 /16s and 106 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307758 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241005 Total APNIC prefixes after maximum aggregation: 69722 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234645 Unique aggregates announced from the APNIC address blocks: 98847 APNIC Region origin ASes present in the Internet Routing Table: 13515 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4004 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8893 Number of APNIC addresses announced to Internet: 772799744 Equivalent to 46 /8s, 15 /16s and 253 /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: 270517 Total ARIN prefixes after maximum aggregation: 123409 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272507 Unique aggregates announced from the ARIN address blocks: 130809 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4812 Number of ARIN addresses announced to Internet: 1275600128 Equivalent to 76 /8s, 8 /16s and 29 /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: 259950 Total RIPE prefixes after maximum aggregation: 122416 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256860 Unique aggregates announced from the RIPE address blocks: 159909 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3907 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11291 Number of RIPE addresses announced to Internet: 716319488 Equivalent to 42 /8s, 178 /16s and 43 /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: 118074 Total LACNIC prefixes after maximum aggregation: 28424 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117155 Unique aggregates announced from the LACNIC address blocks: 49721 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8813 Number of LACNIC addresses announced to Internet: 178475008 Equivalent to 10 /8s, 163 /16s and 80 /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: 30088 Total AfriNIC prefixes after maximum aggregation: 5946 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38915 Unique aggregates announced from the AfriNIC address blocks: 12702 AfriNIC Region origin ASes present in the Internet Routing Table: 1774 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1120 Number of AfriNIC addresses announced to Internet: 107524864 Equivalent to 6 /8s, 104 /16s and 179 /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 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5707 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4330 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3724 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3349 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3081 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 201 TATACOMM-AS TATA Communications formerl 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 8836 10967 3208 AMAZON-02, US 11492 4524 300 622 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3551 3038 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3074 1499 2313 AKAMAI-AS, US 367 2981 3828 1410 DNIC-ASBLK-00306-00371, US 396982 2686 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 377 MEDIACOM-ENTERPRISE-BUSINESS, 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 7344 1713 145 UNI2-AS, ES 39891 4764 282 65 ALJAWWALSTC-AS, SA 20940 4073 3398 154 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2294 916 ROSTELECOM-AS, RU 9009 2682 248 1389 M247, RO 34984 2321 362 598 TELLCOM-AS, TR 58224 1817 943 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1523 102 1189 ASDETUK www.heficed.com, US 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 11536 3358 607 UNINET, MX 10620 3530 506 845 Telmex Colombia S.A., CO 13999 2439 365 643 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1290 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 24863 1594 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 24757 477 73 5 EthioNet-AS, ET 37342 472 32 1 MOVITEL, MZ 15399 439 54 47 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 11536 3358 607 UNINET, MX 9808 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8836 10967 3208 AMAZON-02, US 12479 7344 1713 145 UNI2-AS, ES 7545 5707 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4764 282 65 ALJAWWALSTC-AS, SA 11492 4524 300 622 CABLEONE, US 18403 4330 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4073 3398 154 AKAMAI-ASN1, NL 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 9519 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7344 7199 UNI2-AS, ES 16509 8836 5628 AMAZON-02, US 7545 5707 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4764 4699 ALJAWWALSTC-AS, SA 18403 4330 4305 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4073 3919 AKAMAI-ASN1, NL 11492 4524 3902 CABLEONE, US 7552 3724 3703 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:38 /11:102 /12:296 /13:573 /14:1191 /15:2096 /16:13460 /17:8198 /18:13713 /19:24732 /20:43358 /21:51027 /22:109378 /23:98479 /24:553967 /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 6430 7344 UNI2-AS, ES 8151 5577 11536 UNINET, MX 39891 3503 4764 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2600 3551 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2094 3530 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) ---------------------------------------------- 1:2223 2:1370 3:228 4:5 5:4452 6:138 7:6 8:1514 9:1 11:172 12:1509 13:379 14:2304 15:302 16:194 17:372 18:599 20:280 21:4 22:188 23:6384 24:2480 25:6 27:2531 29:19 31:2525 32:78 34:26 35:114 36:1989 37:4613 38:5134 39:856 40:147 41:4009 42:2083 43:2287 44:318 45:16519 46:4315 47:384 49:1790 50:1853 51:593 52:1597 54:391 55:968 56:8 57:122 58:1818 59:1118 60:996 61:2511 62:2695 63:1913 64:5569 65:2325 66:4900 67:3008 68:1324 69:4084 70:1193 71:655 72:2949 74:2614 75:1567 76:614 77:2449 78:1835 79:2984 80:2121 81:1798 82:1489 83:1279 84:1522 85:2969 86:762 87:1979 88:1167 89:3838 90:617 91:7813 92:2067 93:2597 94:3511 95:3969 96:1294 97:318 98:1082 99:733 100:90 101:1315 102:2921 103:31934 104:4536 105:568 106:881 107:2550 108:1125 109:4247 110:2113 111:3136 112:2064 113:1732 114:1648 115:1993 116:1902 117:2539 118:2690 119:1976 120:1788 121:1086 122:2572 123:2143 124:1576 125:2480 128:1414 129:1035 130:1020 131:1952 132:848 133:423 134:1778 135:307 136:900 137:971 138:2638 139:1560 140:1246 141:1294 142:1465 143:1484 144:993 145:340 146:1954 147:1605 148:2403 149:2119 150:867 151:1204 152:1961 153:515 154:4761 155:1383 156:1904 157:1319 158:1084 159:2226 160:2605 161:1554 162:3498 163:1576 164:1703 165:1837 166:979 167:1726 168:3819 169:904 170:4589 171:900 172:3651 173:2972 174:989 175:1181 176:3774 177:4493 178:3548 179:2126 180:2439 181:3481 182:3409 183:2002 184:2292 185:20498 186:4744 187:4074 188:4132 189:3726 190:9246 191:1386 192:10912 193:8928 194:7291 195:5170 196:3212 197:2453 198:5920 199:6070 200:7855 201:5991 202:10232 203:9999 204:4529 205:3663 206:4246 207:3378 208:4104 209:4885 210:4188 211:2440 212:4247 213:3571 214:1091 215:60 216:6649 217:2763 218:1265 219:411 220:1797 221:975 222:665 223:2151 End of report