IPv4 R&E Routing Table Report 23:05 GMT Sun 12 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: 927392 Prefixes after maximum aggregation (per Origin AS): 354464 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454348 Number of IPv4 prefixes with a valid ROA: 427746 Number of IPv4 prefixes with an invalid ROA: 1697 Number of IPv4 prefixes with no ROA: 497949 Total ASes present in the Internet Routing Table: 74833 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64384 Origin ASes announcing only one prefix: 26438 Transit ASes present in the Internet Routing Table: 10449 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1074 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 43042 Number of 32-bit ASNs visible in the Routing Table: 35301 Prefixes from 32-bit ASNs in the Routing Table: 176519 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: 3049435648 Equivalent to 181 /8s, 194 /16s and 178 /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: 309388 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243040 Total APNIC prefixes after maximum aggregation: 70871 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236255 Unique aggregates announced from the APNIC address blocks: 98916 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: 4083 APNIC Region transit ASes present in the Internet Routing Table: 1824 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9039 Number of APNIC addresses announced to Internet: 771621120 Equivalent to 45 /8s, 254 /16s and 1 /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: 272341 Total ARIN prefixes after maximum aggregation: 123988 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276819 Unique aggregates announced from the ARIN address blocks: 132258 ARIN Region origin ASes present in the Internet Routing Table: 19033 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1884 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: 4819 Number of ARIN addresses announced to Internet: 1276492288 Equivalent to 76 /8s, 21 /16s and 186 /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: 261640 Total RIPE prefixes after maximum aggregation: 124394 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256288 Unique aggregates announced from the RIPE address blocks: 160572 RIPE Region origin ASes present in the Internet Routing Table: 28468 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12102 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: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11429 Number of RIPE addresses announced to Internet: 715011584 Equivalent to 42 /8s, 158 /16s and 54 /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: 119105 Total LACNIC prefixes after maximum aggregation: 28452 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117968 Unique aggregates announced from the LACNIC address blocks: 49392 LACNIC Region origin ASes present in the Internet Routing Table: 11030 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2329 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178387200 Equivalent to 10 /8s, 161 /16s and 249 /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: 30192 Total AfriNIC prefixes after maximum aggregation: 6038 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39555 Unique aggregates announced from the AfriNIC address blocks: 12788 AfriNIC Region origin ASes present in the Internet Routing Table: 1803 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107502336 Equivalent to 6 /8s, 104 /16s and 91 /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 5717 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3636 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 3248 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9177 11050 3361 AMAZON-02, US 11492 4550 302 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3508 3039 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3118 1384 2295 AKAMAI-AS, US 367 3028 3868 1430 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2520 23616 1599 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 7431 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4014 3397 141 AKAMAI-ASN1, NL 8551 3440 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1595 M247, RO 12389 2897 2295 912 ROSTELECOM-AS, RU 34984 2322 361 590 TELLCOM-AS, TR 58224 1651 910 584 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 603 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2447 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 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1054 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1610 393 19 LINKdotNET-AS, EG 24835 1548 545 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 503 53 42 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 603 UNINET, MX 9808 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9177 11050 3361 AMAZON-02, US 12479 7431 1713 145 UNI2-AS, ES 7545 5717 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 4014 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 9688 9648 CHINAMOBILE-CN China Mobile Communications Grou 12479 7431 7286 UNI2-AS, ES 16509 9177 5816 AMAZON-02, US 7545 5717 5025 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 4014 3873 AKAMAI-ASN1, NL 7552 3636 3616 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 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 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13418 /17:8219 /18:13674 /19:24800 /20:43159 /21:51113 /22:109887 /23:98923 /24:559897 /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 6521 7431 UNI2-AS, ES 8151 6030 12016 UNINET, MX 11492 3463 4550 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2917 3440 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2131 2476 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 2:1433 3:271 4:5 5:4378 6:160 7:6 8:1501 9:1 11:172 12:1496 13:353 14:2318 15:304 16:202 17:361 18:671 20:317 21:4 22:188 23:6504 24:2548 25:2 27:2581 29:19 31:2559 32:55 34:30 35:115 36:2027 37:4452 38:5586 39:866 40:149 41:3995 42:2077 43:2268 44:329 45:16764 46:4357 47:372 49:1857 50:1877 51:577 52:1587 54:392 55:884 56:5 57:125 58:1810 59:1113 60:1012 61:2588 62:2682 63:1898 64:5488 65:2331 66:4964 67:3056 68:1347 69:4124 70:1177 71:605 72:2923 74:2625 75:1564 76:632 77:2334 78:1828 79:3013 80:2107 81:1845 82:1520 83:1303 84:1599 85:2973 86:754 87:1939 88:1227 89:3943 90:630 91:7874 92:2132 93:2643 94:3576 95:3996 96:1300 97:315 98:1078 99:736 100:91 101:1388 102:2957 103:32216 104:4818 105:573 106:976 107:2784 108:1133 109:4209 110:2130 111:3140 112:2071 113:1678 114:1704 115:1992 116:1923 117:2567 118:2712 119:1940 120:1767 121:1185 122:2612 123:2179 124:1579 125:2621 128:1419 129:909 130:1048 131:1977 132:811 133:408 134:1709 135:301 136:914 137:985 138:2708 139:1558 140:1325 141:1328 142:1547 143:1519 144:1004 145:341 146:1968 147:1623 148:2469 149:2332 150:875 151:1249 152:1970 153:535 154:5328 155:1390 156:2084 157:1355 158:1050 159:2195 160:2616 161:1603 162:3541 163:1605 164:1648 165:1847 166:1066 167:1743 168:3814 169:789 170:4661 171:971 172:3862 173:2981 174:952 175:1193 176:3613 177:4547 178:3524 179:2178 180:2271 181:3583 182:3374 183:2000 184:2273 185:20619 186:4731 187:4198 188:4054 189:3952 190:9337 191:1429 192:10956 193:8958 194:7296 195:5118 196:3202 197:2490 198:5919 199:6450 200:7978 201:6220 202:10220 203:10005 204:4539 205:3671 206:4379 207:3423 208:4095 209:4889 210:4233 211:2459 212:4257 213:3398 214:1114 215:71 216:6725 217:2774 218:1289 219:409 220:1803 221:1004 222:688 223:2186 End of report