IPv4 R&E Routing Table Report 23:05 GMT Sun 01 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: 923792 Prefixes after maximum aggregation (per Origin AS): 352207 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453101 Number of IPv4 prefixes with a valid ROA: 422253 Number of IPv4 prefixes with an invalid ROA: 1653 Number of IPv4 prefixes with no ROA: 499886 Total ASes present in the Internet Routing Table: 74696 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64260 Origin ASes announcing only one prefix: 26420 Transit ASes present in the Internet Routing Table: 10436 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1003 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 42748 Number of 32-bit ASNs visible in the Routing Table: 35126 Prefixes from 32-bit ASNs in the Routing Table: 175125 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3052620800 Equivalent to 181 /8s, 243 /16s and 76 /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: 308487 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241450 Total APNIC prefixes after maximum aggregation: 70198 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235059 Unique aggregates announced from the APNIC address blocks: 98883 APNIC Region origin ASes present in the Internet Routing Table: 13589 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4062 APNIC Region transit ASes present in the Internet Routing Table: 1815 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8979 Number of APNIC addresses announced to Internet: 772339968 Equivalent to 46 /8s, 8 /16s and 249 /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: 271275 Total ARIN prefixes after maximum aggregation: 123371 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274853 Unique aggregates announced from the ARIN address blocks: 131716 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1879 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: 4820 Number of ARIN addresses announced to Internet: 1277273344 Equivalent to 76 /8s, 33 /16s and 165 /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: 261576 Total RIPE prefixes after maximum aggregation: 123633 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256764 Unique aggregates announced from the RIPE address blocks: 160026 RIPE Region origin ASes present in the Internet Routing Table: 28406 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 3895 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: 11338 Number of RIPE addresses announced to Internet: 716409600 Equivalent to 42 /8s, 179 /16s and 139 /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: 118359 Total LACNIC prefixes after maximum aggregation: 28340 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117277 Unique aggregates announced from the LACNIC address blocks: 49374 LACNIC Region origin ASes present in the Internet Routing Table: 11028 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8852 Number of LACNIC addresses announced to Internet: 178479104 Equivalent to 10 /8s, 163 /16s and 96 /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: 30129 Total AfriNIC prefixes after maximum aggregation: 5969 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39314 Unique aggregates announced from the AfriNIC address blocks: 12664 AfriNIC Region origin ASes present in the Internet Routing Table: 1793 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 632 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1137 Number of AfriNIC addresses announced to Internet: 107693056 Equivalent to 6 /8s, 107 /16s and 68 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3595 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3330 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3187 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2523 849 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 9096 10991 3242 AMAZON-02, US 11492 4531 301 672 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3530 3039 303 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 3002 3836 1417 DNIC-ASBLK-00306-00371, US 16625 2990 1411 2287 AKAMAI-AS, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 30036 2496 359 385 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 7384 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4061 3398 152 AKAMAI-ASN1, NL 8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 913 ROSTELECOM-AS, RU 9009 2899 264 1483 M247, RO 34984 2334 361 596 TELLCOM-AS, TR 58224 1723 923 527 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1517 1852 16 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 11808 3382 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2407 331 621 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1297 766 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1105 179 427 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 1605 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 526 55 50 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 475 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 11808 3382 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9096 10991 3242 AMAZON-02, US 12479 7384 1713 145 UNI2-AS, ES 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4531 301 672 CABLEONE, US 18403 4254 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4061 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7384 7239 UNI2-AS, ES 16509 9096 5854 AMAZON-02, US 7545 5735 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4254 4229 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4061 3909 AKAMAI-ASN1, NL 11492 4531 3859 CABLEONE, US 7552 3595 3575 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 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 /11:101 /12:299 /13:578 /14:1194 /15:2093 /16:13445 /17:8226 /18:13739 /19:24840 /20:43154 /21:50822 /22:109597 /23:98571 /24:557057 /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 6471 7384 UNI2-AS, ES 8151 5826 11808 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3444 4531 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2920 3443 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3542 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) ---------------------------------------------- 1:2210 2:1403 3:266 4:5 5:4444 6:137 7:6 8:1499 9:1 11:172 12:1513 13:368 14:2319 15:305 16:194 17:368 18:658 20:287 21:4 22:188 23:6422 24:2501 25:2 27:2584 29:19 31:2536 32:75 34:26 35:114 36:2001 37:4519 38:5382 39:864 40:144 41:4031 42:2062 43:2267 44:321 45:16580 46:4267 47:369 49:1820 50:1878 51:590 52:1594 54:393 55:945 56:5 57:124 58:1789 59:1116 60:1003 61:2538 62:2680 63:1905 64:5648 65:2361 66:4960 67:3034 68:1340 69:4127 70:1194 71:668 72:2943 74:2621 75:1560 76:629 77:2297 78:1825 79:2984 80:2099 81:1826 82:1501 83:1304 84:1545 85:3063 86:771 87:2004 88:1201 89:3904 90:620 91:7809 92:2065 93:2611 94:3517 95:4023 96:1299 97:315 98:1080 99:732 100:90 101:1287 102:2886 103:32135 104:4746 105:577 106:907 107:2726 108:1129 109:4236 110:2130 111:3144 112:2059 113:1749 114:1685 115:1995 116:1873 117:2535 118:2696 119:1961 120:1776 121:1119 122:2600 123:2165 124:1569 125:2543 128:1391 129:912 130:1035 131:1980 132:857 133:408 134:1781 135:306 136:971 137:970 138:2624 139:1577 140:1282 141:1322 142:1509 143:1547 144:1004 145:352 146:1941 147:1603 148:2432 149:2274 150:875 151:1228 152:1983 153:522 154:5060 155:1387 156:1982 157:1339 158:1056 159:2243 160:2634 161:1594 162:3509 163:1601 164:1687 165:1859 166:1056 167:1734 168:3728 169:803 170:4621 171:920 172:3770 173:2957 174:980 175:1180 176:3769 177:4459 178:3531 179:2163 180:2465 181:3530 182:3367 183:1993 184:2274 185:20600 186:4694 187:4164 188:4165 189:3861 190:9261 191:1366 192:10946 193:8955 194:7306 195:5213 196:3182 197:2478 198:5915 199:6134 200:7868 201:6068 202:10195 203:9997 204:4543 205:3676 206:4316 207:3399 208:4124 209:4872 210:4210 211:2446 212:4271 213:3387 214:1107 215:70 216:6674 217:2783 218:1266 219:405 220:1802 221:981 222:663 223:2146 End of report