IPv4 R&E Routing Table Report 23:05 GMT Mon 30 Oct, 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: 926635 Prefixes after maximum aggregation (per Origin AS): 353972 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454351 Number of IPv4 prefixes with a valid ROA: 426847 Number of IPv4 prefixes with an invalid ROA: 1616 Number of IPv4 prefixes with no ROA: 498172 Total ASes present in the Internet Routing Table: 74815 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64235 Origin ASes announcing only one prefix: 26479 Transit ASes present in the Internet Routing Table: 10580 Transit-only ASes present in the Internet Routing Table: 471 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: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 42954 Number of 32-bit ASNs visible in the Routing Table: 35236 Prefixes from 32-bit ASNs in the Routing Table: 176157 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3049713152 Equivalent to 181 /8s, 198 /16s and 238 /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: 309235 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242378 Total APNIC prefixes after maximum aggregation: 70633 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235876 Unique aggregates announced from the APNIC address blocks: 99121 APNIC Region origin ASes present in the Internet Routing Table: 13623 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4094 APNIC Region transit ASes present in the Internet Routing Table: 1832 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9016 Number of APNIC addresses announced to Internet: 771613696 Equivalent to 45 /8s, 253 /16s and 228 /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: 272420 Total ARIN prefixes after maximum aggregation: 123831 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276527 Unique aggregates announced from the ARIN address blocks: 132298 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1276575232 Equivalent to 76 /8s, 22 /16s and 254 /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: 261973 Total RIPE prefixes after maximum aggregation: 124394 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256682 Unique aggregates announced from the RIPE address blocks: 160542 RIPE Region origin ASes present in the Internet Routing Table: 28447 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12100 RIPE Region transit ASes present in the Internet Routing Table: 3966 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11392 Number of RIPE addresses announced to Internet: 715242240 Equivalent to 42 /8s, 161 /16s and 187 /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: 118660 Total LACNIC prefixes after maximum aggregation: 28423 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117590 Unique aggregates announced from the LACNIC address blocks: 49324 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2348 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8871 Number of LACNIC addresses announced to Internet: 178376192 Equivalent to 10 /8s, 161 /16s and 206 /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: 30154 Total AfriNIC prefixes after maximum aggregation: 5970 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39444 Unique aggregates announced from the AfriNIC address blocks: 12636 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 623 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144 Number of AfriNIC addresses announced to Internet: 107483392 Equivalent to 6 /8s, 104 /16s and 17 /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 9479 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3612 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3604 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3322 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3228 490 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2557 849 384 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 203 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 9154 11017 3320 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4160 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3518 3055 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54942 2412 DNIC-AS-00749, US 367 3076 3868 1438 DNIC-ASBLK-00306-00371, US 16625 3047 1394 2305 AKAMAI-AS, US 396982 2707 3598 398 GOOGLE-CLOUD-PLATFORM, US 7018 2543 23614 1596 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 7408 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4039 3397 141 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3426 297 1599 M247, RO 12389 2891 2295 912 ROSTELECOM-AS, RU 34984 2325 361 593 TELLCOM-AS, TR 58224 1663 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 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 11930 3371 616 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1108 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1602 393 19 LINKdotNET-AS, EG 24835 1523 509 26 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 837 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 480 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 11930 3371 616 UNINET, MX 9808 9479 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9154 11017 3320 AMAZON-02, US 12479 7408 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4160 288 96 VIASAT-SP-BACKBONE, US 20940 4039 3397 141 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 9479 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7408 7263 UNI2-AS, ES 16509 9154 5834 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4064 VIASAT-SP-BACKBONE, US 20940 4039 3898 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7552 3612 3592 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 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 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 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 /13:579 /14:1193 /15:2090 /16:13425 /17:8240 /18:13697 /19:24805 /20:43228 /21:51165 /22:109742 /23:98708 /24:559287 /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 6497 7408 UNI2-AS, ES 8151 5957 11930 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3555 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3108 4160 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3518 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 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) ---------------------------------------------- 1:2219 2:1430 3:269 4:5 5:4402 6:159 7:6 8:1498 9:1 11:172 12:1506 13:364 14:2310 15:304 16:202 17:365 18:662 20:308 21:4 22:188 23:6476 24:2519 25:2 27:2584 29:19 31:2550 32:71 34:27 35:115 36:2016 37:4474 38:5449 39:866 40:149 41:4006 42:2059 43:2266 44:324 45:16675 46:4334 47:371 49:1867 50:1871 51:579 52:1589 54:393 55:960 56:5 57:128 58:1813 59:1115 60:1011 61:2556 62:2652 63:1901 64:5507 65:2301 66:4961 67:3049 68:1342 69:4124 70:1184 71:624 72:2938 74:2626 75:1563 76:636 77:2327 78:1826 79:3006 80:2108 81:1832 82:1522 83:1306 84:1605 85:3006 86:766 87:1945 88:1227 89:3946 90:626 91:7873 92:2129 93:2625 94:3575 95:3992 96:1300 97:315 98:1083 99:734 100:91 101:1384 102:2964 103:32137 104:4780 105:574 106:979 107:2793 108:1134 109:4242 110:2132 111:3128 112:2057 113:1747 114:1698 115:1987 116:1910 117:2530 118:2702 119:1959 120:1764 121:1179 122:2607 123:2171 124:1577 125:2593 128:1395 129:912 130:1038 131:1979 132:855 133:408 134:1765 135:300 136:910 137:982 138:2685 139:1569 140:1319 141:1330 142:1535 143:1522 144:998 145:347 146:1959 147:1617 148:2476 149:2359 150:877 151:1241 152:1954 153:535 154:5276 155:1405 156:2043 157:1357 158:1061 159:2193 160:2626 161:1590 162:3496 163:1615 164:1688 165:1863 166:1060 167:1746 168:3834 169:790 170:4635 171:955 172:3876 173:2994 174:977 175:1189 176:3605 177:4474 178:3529 179:2135 180:2519 181:3583 182:3387 183:1988 184:2268 185:20653 186:4724 187:4175 188:4052 189:3916 190:9248 191:1393 192:10969 193:8957 194:7302 195:5206 196:3182 197:2547 198:5924 199:6371 200:7918 201:6189 202:10217 203:9995 204:4531 205:3687 206:4352 207:3398 208:4098 209:4879 210:4212 211:2447 212:4257 213:3396 214:1120 215:71 216:6701 217:2761 218:1275 219:408 220:1801 221:997 222:674 223:2146 End of report