IPv4 R&E Routing Table Report 23:05 GMT Wed 29 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: 928166 Prefixes after maximum aggregation (per Origin AS): 354885 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454855 Number of IPv4 prefixes with a valid ROA: 430362 Number of IPv4 prefixes with an invalid ROA: 1360 Number of IPv4 prefixes with no ROA: 496444 Total ASes present in the Internet Routing Table: 74876 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64438 Origin ASes announcing only one prefix: 26481 Transit ASes present in the Internet Routing Table: 10438 Transit-only ASes present in the Internet Routing Table: 455 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 37 Max AS path prepend of ASN ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 43115 Number of 32-bit ASNs visible in the Routing Table: 35388 Prefixes from 32-bit ASNs in the Routing Table: 177071 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: 546 Number of addresses announced to Internet: 3047569920 Equivalent to 181 /8s, 166 /16s and 58 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309378 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243841 Total APNIC prefixes after maximum aggregation: 71081 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237094 Unique aggregates announced from the APNIC address blocks: 99313 APNIC Region origin ASes present in the Internet Routing Table: 13700 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4126 APNIC Region transit ASes present in the Internet Routing Table: 1832 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9097 Number of APNIC addresses announced to Internet: 770966016 Equivalent to 45 /8s, 244 /16s and 2 /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: 272079 Total ARIN prefixes after maximum aggregation: 123800 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276770 Unique aggregates announced from the ARIN address blocks: 132355 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1275826432 Equivalent to 76 /8s, 11 /16s and 145 /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: 261766 Total RIPE prefixes after maximum aggregation: 124764 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256218 Unique aggregates announced from the RIPE address blocks: 160477 RIPE Region origin ASes present in the Internet Routing Table: 28463 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11443 Number of RIPE addresses announced to Internet: 714528768 Equivalent to 42 /8s, 150 /16s and 216 /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: 119429 Total LACNIC prefixes after maximum aggregation: 28545 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118161 Unique aggregates announced from the LACNIC address blocks: 49471 LACNIC Region origin ASes present in the Internet Routing Table: 11028 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2341 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8883 Number of LACNIC addresses announced to Internet: 178364416 Equivalent to 10 /8s, 161 /16s and 160 /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: 30052 Total AfriNIC prefixes after maximum aggregation: 6003 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39377 Unique aggregates announced from the AfriNIC address blocks: 12802 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107513088 Equivalent to 6 /8s, 104 /16s and 133 /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 9732 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5679 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4344 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3640 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3383 494 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3264 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2628 853 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2192 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 9326 11139 3306 AMAZON-02, US 11492 4556 302 677 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3499 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3124 1387 2301 AKAMAI-AS, US 367 3014 3864 1426 DNIC-ASBLK-00306-00371, US 396982 2721 3631 373 GOOGLE-CLOUD-PLATFORM, US 7018 2597 23620 1611 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 7495 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3996 3397 141 AKAMAI-ASN1, NL 9009 3480 300 1620 M247, RO 8551 3432 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2301 911 ROSTELECOM-AS, RU 34984 2321 361 589 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1515 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 12114 3378 608 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2473 338 644 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 11664 1084 173 434 Techtel LMDS Comunicaciones Interactiva 6147 1083 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 523 54 47 WANANCHI-, KE 37342 492 32 1 MOVITEL, MZ 24757 437 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 12114 3378 608 UNINET, MX 9808 9732 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9326 11139 3306 AMAZON-02, US 12479 7495 1714 146 UNI2-AS, ES 7545 5679 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 677 CABLEONE, US 18403 4344 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 3996 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 9732 9691 CHINAMOBILE-CN China Mobile Communications Grou 12479 7495 7349 UNI2-AS, ES 16509 9326 6020 AMAZON-02, US 7545 5679 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4344 4319 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4556 3879 CABLEONE, US 20940 3996 3855 AKAMAI-ASN1, NL 7552 3640 3620 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 8.10.69.0/24 174 COGENT-174, 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 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 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 /11:99 /12:298 /13:578 /14:1191 /15:2055 /16:13406 /17:8184 /18:13663 /19:24760 /20:43081 /21:51102 /22:109948 /23:99057 /24:560667 /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 6588 7495 UNI2-AS, ES 8151 6122 12114 UNINET, MX 11492 3470 4556 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2909 3432 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3499 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2240 2:1429 3:276 4:5 5:4389 6:162 7:6 8:1490 9:1 11:172 12:1491 13:371 14:2320 15:303 16:206 17:361 18:684 20:319 21:4 22:188 23:6497 24:2559 25:2 27:2574 29:19 31:2545 32:55 34:33 35:116 36:2043 37:4456 38:5678 39:881 40:150 41:3994 42:2071 43:2293 44:330 45:16607 46:4370 47:310 49:1874 50:1877 51:573 52:1591 54:393 55:865 56:5 57:125 58:1830 59:1113 60:1009 61:2585 62:2715 63:1897 64:5468 65:2346 66:4980 67:3049 68:1352 69:4090 70:1178 71:605 72:2924 74:2616 75:1564 76:624 77:2337 78:1826 79:3022 80:2111 81:1846 82:1519 83:1316 84:1607 85:2966 86:781 87:1941 88:1229 89:3944 90:635 91:7873 92:2152 93:2644 94:3572 95:3988 96:1299 97:316 98:1081 99:738 100:96 101:1406 102:2982 103:32419 104:4781 105:592 106:965 107:2745 108:1134 109:4204 110:2130 111:3138 112:2075 113:1684 114:1728 115:1995 116:1920 117:2573 118:2741 119:1953 120:1772 121:1223 122:2619 123:2173 124:1593 125:2747 128:1425 129:898 130:1051 131:1980 132:824 133:410 134:1716 135:302 136:916 137:987 138:2704 139:1561 140:1330 141:1346 142:1532 143:1528 144:1003 145:341 146:1989 147:1636 148:2460 149:2320 150:1007 151:1264 152:1827 153:525 154:5261 155:1379 156:2095 157:1357 158:1058 159:2203 160:2617 161:1599 162:3566 163:1622 164:1621 165:1863 166:1103 167:1760 168:3812 169:795 170:4669 171:971 172:3761 173:2994 174:900 175:1204 176:3614 177:4530 178:3533 179:2200 180:2290 181:3600 182:3399 183:2022 184:2252 185:20431 186:4762 187:4326 188:4046 189:4020 190:9279 191:1514 192:10962 193:8964 194:7292 195:5195 196:3111 197:2533 198:5928 199:6564 200:8001 201:6222 202:10217 203:10027 204:4569 205:3657 206:4388 207:3410 208:4081 209:4885 210:4247 211:2477 212:4219 213:3384 214:1115 215:71 216:6711 217:2747 218:1287 219:412 220:1801 221:1009 222:697 223:2195 End of report