IPv4 R&E Routing Table Report 23:05 GMT Tue 22 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: 921682 Prefixes after maximum aggregation (per Origin AS): 350961 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452606 Number of IPv4 prefixes with a valid ROA: 418105 Number of IPv4 prefixes with an invalid ROA: 1543 Number of IPv4 prefixes with no ROA: 502034 Total ASes present in the Internet Routing Table: 74566 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64146 Origin ASes announcing only one prefix: 26334 Transit ASes present in the Internet Routing Table: 10420 Transit-only ASes present in the Internet Routing Table: 444 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: 997 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 42490 Number of 32-bit ASNs visible in the Routing Table: 34945 Prefixes from 32-bit ASNs in the Routing Table: 173877 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: 549 Number of addresses announced to Internet: 3055112704 Equivalent to 182 /8s, 25 /16s and 82 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308118 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241153 Total APNIC prefixes after maximum aggregation: 69719 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234875 Unique aggregates announced from the APNIC address blocks: 98862 APNIC Region origin ASes present in the Internet Routing Table: 13507 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 4002 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8893 Number of APNIC addresses announced to Internet: 772775424 Equivalent to 46 /8s, 15 /16s and 158 /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: 270648 Total ARIN prefixes after maximum aggregation: 123515 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272736 Unique aggregates announced from the ARIN address blocks: 130821 ARIN Region origin ASes present in the Internet Routing Table: 19054 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1883 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: 4815 Number of ARIN addresses announced to Internet: 1279349504 Equivalent to 76 /8s, 65 /16s and 83 /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: 260655 Total RIPE prefixes after maximum aggregation: 122654 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 257377 Unique aggregates announced from the RIPE address blocks: 160080 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11293 Number of RIPE addresses announced to Internet: 716403712 Equivalent to 42 /8s, 179 /16s and 116 /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: 118135 Total LACNIC prefixes after maximum aggregation: 28437 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117189 Unique aggregates announced from the LACNIC address blocks: 49648 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2313 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: 8822 Number of LACNIC addresses announced to Internet: 178490880 Equivalent to 10 /8s, 163 /16s and 142 /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: 30094 Total AfriNIC prefixes after maximum aggregation: 5939 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38956 Unique aggregates announced from the AfriNIC address blocks: 12737 AfriNIC Region origin ASes present in the Internet Routing Table: 1776 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1122 Number of AfriNIC addresses announced to Internet: 107628288 Equivalent to 6 /8s, 106 /16s and 71 /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 9520 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5700 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3102 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2486 846 405 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2183 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 8818 10913 3224 AMAZON-02, US 11492 4527 300 626 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3569 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3078 1498 2317 AKAMAI-AS, US 367 2977 3828 1404 DNIC-ASBLK-00306-00371, US 396982 2685 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2497 357 396 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 7342 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 154 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2684 248 1397 M247, RO 34984 2331 362 594 TELLCOM-AS, TR 58224 1790 938 563 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1524 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 11630 3358 607 UNINET, MX 10620 3530 506 849 Telmex Colombia S.A., CO 13999 2441 365 642 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1289 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1113 370 22 Telefonica del Peru S.A.A., PE 11664 1113 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1034 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 1503 533 27 RAYA-AS, EG 36992 1356 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 24757 477 73 5 EthioNet-AS, ET 37342 471 32 1 MOVITEL, MZ 15399 439 54 48 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 11630 3358 607 UNINET, MX 9808 9520 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8818 10913 3224 AMAZON-02, US 12479 7342 1713 145 UNI2-AS, ES 7545 5700 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 626 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4078 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 9520 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7342 7197 UNI2-AS, ES 16509 8818 5594 AMAZON-02, US 7545 5700 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4078 3924 AKAMAI-ASN1, NL 11492 4527 3901 CABLEONE, US 7552 3730 3709 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 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 /12:298 /13:576 /14:1194 /15:2100 /16:13463 /17:8198 /18:13757 /19:24844 /20:43391 /21:51061 /22:109454 /23:98623 /24:554544 /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 6428 7342 UNI2-AS, ES 8151 5664 11630 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3569 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2497 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) ---------------------------------------------- 1:2229 2:1375 3:226 4:5 5:4551 6:138 7:6 8:1513 9:1 11:172 12:1510 13:377 14:2303 15:302 16:193 17:372 18:601 20:280 21:4 22:188 23:6377 24:2481 25:6 27:2547 29:19 31:2522 32:78 34:26 35:115 36:1990 37:4614 38:5136 39:862 40:147 41:3972 42:2086 43:2282 44:321 45:16519 46:4244 47:384 49:1790 50:1856 51:595 52:1598 54:392 55:972 56:8 57:122 58:1789 59:1117 60:995 61:2512 62:2689 63:1915 64:5565 65:2332 66:4894 67:3015 68:1324 69:4085 70:1193 71:657 72:2955 74:2611 75:1565 76:614 77:2450 78:1822 79:2983 80:2122 81:1810 82:1464 83:1279 84:1520 85:2978 86:757 87:1982 88:1173 89:3847 90:617 91:7809 92:2064 93:2593 94:3538 95:4003 96:1294 97:317 98:1080 99:734 100:90 101:1316 102:2941 103:31968 104:4572 105:553 106:881 107:2584 108:1124 109:4251 110:2115 111:3131 112:2067 113:1745 114:1651 115:1997 116:1903 117:2537 118:2693 119:1977 120:1787 121:1086 122:2582 123:2138 124:1577 125:2491 128:1416 129:1033 130:1022 131:1939 132:851 133:420 134:1787 135:306 136:911 137:973 138:2642 139:1561 140:1249 141:1295 142:1468 143:1499 144:996 145:340 146:1950 147:1608 148:2421 149:2131 150:868 151:1203 152:1962 153:517 154:4771 155:1384 156:1919 157:1321 158:1085 159:2227 160:2616 161:1589 162:3510 163:1580 164:1701 165:1841 166:1009 167:1727 168:3828 169:908 170:4580 171:902 172:3655 173:2972 174:986 175:1183 176:3777 177:4480 178:3547 179:2126 180:2458 181:3487 182:3414 183:1999 184:2286 185:20520 186:4737 187:4096 188:4135 189:3751 190:9249 191:1376 192:10891 193:8932 194:7301 195:5182 196:3204 197:2471 198:5929 199:6060 200:7842 201:6056 202:10239 203:10000 204:4529 205:3657 206:4253 207:3389 208:4097 209:4879 210:4184 211:2442 212:4250 213:3592 214:1089 215:59 216:6645 217:2777 218:1266 219:411 220:1799 221:975 222:665 223:2152 End of report