IPv4 R&E Routing Table Report 23:05 GMT Fri 10 Nov, 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: 927701 Prefixes after maximum aggregation (per Origin AS): 354387 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454384 Number of IPv4 prefixes with a valid ROA: 428113 Number of IPv4 prefixes with an invalid ROA: 1624 Number of IPv4 prefixes with no ROA: 497964 Total ASes present in the Internet Routing Table: 74833 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64409 Origin ASes announcing only one prefix: 26437 Transit ASes present in the Internet Routing Table: 10424 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 37 Max AS path prepend of ASN (203459) 31 Prefixes from unregistered ASNs in the Routing Table: 1039 Number of instances of unregistered ASNs: 1041 Number of 32-bit ASNs allocated by the RIRs: 43031 Number of 32-bit ASNs visible in the Routing Table: 35299 Prefixes from 32-bit ASNs in the Routing Table: 176810 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3049559296 Equivalent to 181 /8s, 196 /16s and 149 /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: 309764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243047 Total APNIC prefixes after maximum aggregation: 70780 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236245 Unique aggregates announced from the APNIC address blocks: 98895 APNIC Region origin ASes present in the Internet Routing Table: 13642 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4082 APNIC Region transit ASes present in the Internet Routing Table: 1829 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9038 Number of APNIC addresses announced to Internet: 771612160 Equivalent to 45 /8s, 253 /16s and 222 /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: 272320 Total ARIN prefixes after maximum aggregation: 123966 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276724 Unique aggregates announced from the ARIN address blocks: 132298 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.6 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: 1276393728 Equivalent to 76 /8s, 20 /16s and 57 /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: 261636 Total RIPE prefixes after maximum aggregation: 124409 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256334 Unique aggregates announced from the RIPE address blocks: 160609 RIPE Region origin ASes present in the Internet Routing Table: 28466 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11426 Number of RIPE addresses announced to Internet: 715318784 Equivalent to 42 /8s, 162 /16s and 230 /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: 119492 Total LACNIC prefixes after maximum aggregation: 28477 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118358 Unique aggregates announced from the LACNIC address blocks: 49362 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2337 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of LACNIC addresses announced to Internet: 178285568 Equivalent to 10 /8s, 160 /16s and 108 /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: 30167 Total AfriNIC prefixes after maximum aggregation: 6032 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39533 Unique aggregates announced from the AfriNIC address blocks: 12796 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 628 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150 Number of AfriNIC addresses announced to Internet: 107527424 Equivalent to 6 /8s, 104 /16s and 189 /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 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3629 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3250 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 200 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 9159 11046 3363 AMAZON-02, US 11492 4550 302 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3497 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3123 1387 2298 AKAMAI-AS, US 367 3030 3855 1434 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2524 23616 1602 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 7434 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4004 3397 140 AKAMAI-ASN1, NL 8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1595 M247, RO 12389 2909 2297 916 ROSTELECOM-AS, RU 34984 2322 361 591 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1518 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 12016 3372 605 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2446 333 632 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1053 168 435 Techtel LMDS Comunicaciones Interactiva 26615 1038 2501 51 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 1611 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 521 54 46 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 461 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 12016 3372 605 UNINET, MX 9808 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9159 11046 3363 AMAZON-02, US 12479 7434 1713 145 UNI2-AS, ES 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4550 302 673 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4004 3397 140 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 9688 9648 CHINAMOBILE-CN China Mobile Communications Grou 12479 7434 7289 UNI2-AS, ES 16509 9159 5796 AMAZON-02, US 7545 5716 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4550 3877 CABLEONE, US 20940 4004 3864 AKAMAI-ASN1, NL 7552 3629 3609 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 216013 UNALLOCATED 2.57.240.0/24 20473 AS-CHOOPA, 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 17054 EXPEDIENT, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13419 /17:8213 /18:13667 /19:24797 /20:43152 /21:51084 /22:109876 /23:98917 /24:560274 /25:0 /26:2 /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 6524 7434 UNI2-AS, ES 8151 6028 12016 UNINET, MX 11492 3463 4550 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2920 3443 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3497 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2485 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2221 2:1434 3:271 4:5 5:4377 6:161 7:6 8:1500 9:1 11:172 12:1496 13:353 14:2316 15:304 16:202 17:361 18:673 20:317 21:4 22:188 23:6506 24:2549 25:2 27:2577 29:19 31:2558 32:58 34:30 35:115 36:2027 37:4451 38:5556 39:866 40:149 41:3990 42:2072 43:2271 44:328 45:16775 46:4360 47:372 49:1857 50:1880 51:575 52:1587 54:392 55:885 56:5 57:125 58:1811 59:1113 60:1012 61:2589 62:2694 63:1898 64:5497 65:2330 66:4967 67:3057 68:1347 69:4120 70:1177 71:605 72:2923 74:2627 75:1564 76:632 77:2333 78:1828 79:3015 80:2106 81:1846 82:1521 83:1302 84:1600 85:2974 86:753 87:1937 88:1226 89:3946 90:628 91:7878 92:2135 93:2628 94:3575 95:3998 96:1299 97:316 98:1076 99:734 100:91 101:1388 102:2954 103:32213 104:4813 105:573 106:976 107:2782 108:1134 109:4211 110:2128 111:3146 112:2071 113:1675 114:1704 115:1988 116:1918 117:2567 118:2712 119:1942 120:1767 121:1184 122:2612 123:2179 124:1579 125:2621 128:1422 129:909 130:1047 131:1983 132:811 133:408 134:1694 135:301 136:914 137:986 138:2724 139:1556 140:1326 141:1329 142:1546 143:1527 144:1002 145:341 146:1967 147:1623 148:2469 149:2334 150:875 151:1248 152:1952 153:535 154:5325 155:1388 156:2085 157:1356 158:1051 159:2195 160:2619 161:1601 162:3540 163:1606 164:1646 165:1852 166:1066 167:1743 168:3833 169:789 170:4661 171:962 172:3868 173:2987 174:952 175:1193 176:3611 177:4699 178:3519 179:2226 180:2268 181:3581 182:3374 183:1997 184:2267 185:20626 186:4799 187:4302 188:4049 189:3971 190:9287 191:1471 192:10968 193:8962 194:7300 195:5114 196:3202 197:2486 198:5918 199:6453 200:7974 201:6226 202:10231 203:10006 204:4538 205:3663 206:4378 207:3424 208:4095 209:4891 210:4233 211:2460 212:4253 213:3403 214:1116 215:71 216:6720 217:2777 218:1289 219:409 220:1803 221:1004 222:682 223:2187 End of report