IPv4 R&E Routing Table Report 23:05 GMT Tue 07 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: 925999 Prefixes after maximum aggregation (per Origin AS): 354395 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 454348 Number of IPv4 prefixes with a valid ROA: 426723 Number of IPv4 prefixes with an invalid ROA: 1407 Number of IPv4 prefixes with no ROA: 497869 Total ASes present in the Internet Routing Table: 74806 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64345 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10461 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 991 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 43021 Number of 32-bit ASNs visible in the Routing Table: 35277 Prefixes from 32-bit ASNs in the Routing Table: 176375 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3046338816 Equivalent to 181 /8s, 147 /16s and 113 /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: 309164 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242489 Total APNIC prefixes after maximum aggregation: 70788 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235746 Unique aggregates announced from the APNIC address blocks: 98903 APNIC Region origin ASes present in the Internet Routing Table: 13631 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4089 APNIC Region transit ASes present in the Internet Routing Table: 1826 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: 9030 Number of APNIC addresses announced to Internet: 768411648 Equivalent to 45 /8s, 205 /16s and 8 /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: 272275 Total ARIN prefixes after maximum aggregation: 124008 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276581 Unique aggregates announced from the ARIN address blocks: 132280 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1882 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: 4820 Number of ARIN addresses announced to Internet: 1276368128 Equivalent to 76 /8s, 19 /16s and 213 /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: 261489 Total RIPE prefixes after maximum aggregation: 124429 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256283 Unique aggregates announced from the RIPE address blocks: 160600 RIPE Region origin ASes present in the Internet Routing Table: 28457 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12098 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: 11410 Number of RIPE addresses announced to Internet: 715270912 Equivalent to 42 /8s, 162 /16s and 43 /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: 118703 Total LACNIC prefixes after maximum aggregation: 28436 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117569 Unique aggregates announced from the LACNIC address blocks: 49404 LACNIC Region origin ASes present in the Internet Routing Table: 11035 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2335 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8871 Number of LACNIC addresses announced to Internet: 178369536 Equivalent to 10 /8s, 161 /16s and 180 /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: 6029 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39308 Unique aggregates announced from the AfriNIC address blocks: 12736 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1146 Number of AfriNIC addresses announced to Internet: 107499520 Equivalent to 6 /8s, 104 /16s and 80 /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 9583 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4252 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3259 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3246 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2575 851 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 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 9114 11025 3330 AMAZON-02, US 11492 4533 301 678 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3513 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3039 3863 1443 DNIC-ASBLK-00306-00371, US 16625 3019 1372 2281 AKAMAI-AS, US 396982 2711 3599 402 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23616 1601 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 7419 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3977 3397 140 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3425 297 1596 M247, RO 12389 2892 2295 912 ROSTELECOM-AS, RU 34984 2323 361 591 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1516 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 11988 3373 610 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2422 330 634 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1242 341 503 Axtel, S.A.B. de C.V., MX 6147 1105 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 1605 391 38 LINKdotNET-AS, EG 24835 1549 549 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 41 WANANCHI-, KE 37342 493 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 11988 3373 610 UNINET, MX 9808 9583 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9114 11025 3330 AMAZON-02, US 12479 7419 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4533 301 678 CABLEONE, US 18403 4252 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 3977 3397 140 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 9583 9543 CHINAMOBILE-CN China Mobile Communications Grou 12479 7419 7274 UNI2-AS, ES 16509 9114 5784 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4252 4227 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4533 3855 CABLEONE, US 20940 3977 3837 AKAMAI-ASN1, NL 7552 3611 3591 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 23.145.57.0/24 Origin: 60900 SSMIDGELLC-MAIN Ssmidge LLCs main Autono 23.145.57.0/24 Transit: 21738 ROZINT, 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 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 /12:298 /13:574 /14:1188 /15:2050 /16:13392 /17:8201 /18:13662 /19:24777 /20:43138 /21:51060 /22:109737 /23:98807 /24:558938 /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 6509 7419 UNI2-AS, ES 8151 6003 11988 UNINET, MX 11492 3452 4533 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2568 3513 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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 2:1428 3:271 4:5 5:4384 6:162 7:6 8:1497 9:1 11:172 12:1497 13:350 14:2315 15:304 16:203 17:366 18:669 20:318 21:4 22:188 23:6479 24:2538 25:2 27:2582 29:19 31:2549 32:65 34:30 35:115 36:2023 37:4474 38:5532 39:865 40:149 41:3979 42:2067 43:2274 44:325 45:16709 46:4351 47:372 49:1861 50:1870 51:576 52:1579 54:390 55:882 56:5 57:125 58:1813 59:1114 60:1012 61:2572 62:2672 63:1895 64:5502 65:2340 66:4962 67:3054 68:1346 69:4137 70:1179 71:606 72:2934 74:2621 75:1568 76:637 77:2329 78:1827 79:3011 80:2107 81:1841 82:1521 83:1302 84:1600 85:2978 86:772 87:1932 88:1228 89:3948 90:626 91:7874 92:2133 93:2637 94:3574 95:3993 96:1300 97:315 98:1084 99:732 100:91 101:1379 102:2936 103:32181 104:4783 105:573 106:979 107:2792 108:1138 109:4238 110:2127 111:3142 112:2065 113:1677 114:1702 115:1994 116:1910 117:2552 118:2701 119:1941 120:1750 121:1183 122:2609 123:2174 124:1579 125:2607 128:1409 129:906 130:1048 131:1964 132:808 133:408 134:1693 135:301 136:906 137:981 138:2705 139:1559 140:1326 141:1326 142:1545 143:1526 144:1001 145:341 146:1959 147:1623 148:2465 149:2351 150:875 151:1248 152:1829 153:533 154:5278 155:1398 156:2082 157:1357 158:1060 159:2193 160:2619 161:1597 162:3509 163:1602 164:1648 165:1850 166:1064 167:1753 168:3794 169:792 170:4640 171:959 172:3870 173:2987 174:978 175:1189 176:3605 177:4488 178:3530 179:2191 180:2288 181:3583 182:3366 183:1990 184:2264 185:20602 186:4706 187:4224 188:4057 189:3918 190:9255 191:1416 192:10945 193:8961 194:7294 195:5196 196:3126 197:2503 198:5930 199:6447 200:7943 201:6178 202:10229 203:9988 204:4541 205:3679 206:4338 207:3422 208:4101 209:4888 210:4218 211:2443 212:4260 213:3401 214:1118 215:71 216:6716 217:2772 218:1279 219:394 220:1801 221:999 222:682 223:2160 End of report