IPv4 R&E Routing Table Report 23:05 GMT Mon 04 Sep, 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: 920882 Prefixes after maximum aggregation (per Origin AS): 351148 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452529 Number of IPv4 prefixes with a valid ROA: 417840 Number of IPv4 prefixes with an invalid ROA: 1851 Number of IPv4 prefixes with no ROA: 501191 Total ASes present in the Internet Routing Table: 74579 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64171 Origin ASes announcing only one prefix: 26355 Transit ASes present in the Internet Routing Table: 10408 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1011 Number of 32-bit ASNs allocated by the RIRs: 42572 Number of 32-bit ASNs visible in the Routing Table: 34973 Prefixes from 32-bit ASNs in the Routing Table: 173884 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 539 Number of addresses announced to Internet: 3055214592 Equivalent to 182 /8s, 26 /16s and 224 /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: 307702 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240987 Total APNIC prefixes after maximum aggregation: 69773 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234727 Unique aggregates announced from the APNIC address blocks: 98672 APNIC Region origin ASes present in the Internet Routing Table: 13522 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4019 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of APNIC addresses announced to Internet: 772386304 Equivalent to 46 /8s, 9 /16s and 174 /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: 270836 Total ARIN prefixes after maximum aggregation: 123595 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273224 Unique aggregates announced from the ARIN address blocks: 131307 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1279335680 Equivalent to 76 /8s, 65 /16s and 29 /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: 260003 Total RIPE prefixes after maximum aggregation: 122765 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256416 Unique aggregates announced from the RIPE address blocks: 160026 RIPE Region origin ASes present in the Internet Routing Table: 28378 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3900 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: 11297 Number of RIPE addresses announced to Internet: 716746496 Equivalent to 42 /8s, 184 /16s and 175 /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: 118110 Total LACNIC prefixes after maximum aggregation: 28364 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117140 Unique aggregates announced from the LACNIC address blocks: 49261 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2702 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8824 Number of LACNIC addresses announced to Internet: 178572800 Equivalent to 10 /8s, 164 /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: 29937 Total AfriNIC prefixes after maximum aggregation: 5951 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38836 Unique aggregates announced from the AfriNIC address blocks: 12817 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1126 Number of AfriNIC addresses announced to Internet: 107742720 Equivalent to 6 /8s, 108 /16s and 6 /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 9494 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4343 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3733 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3596 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3124 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2495 848 394 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2183 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 9002 10979 3271 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3558 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3012 1448 2280 AKAMAI-AS, US 367 2962 3830 1392 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2491 356 398 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 7331 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 914 ROSTELECOM-AS, RU 9009 2679 247 1382 M247, RO 34984 2326 360 596 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1514 101 1180 ASDETUK www.heficed.com, US 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 11733 3364 601 UNINET, MX 10620 3536 506 848 Telmex Colombia S.A., CO 13999 2454 364 643 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1028 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 483 32 1 MOVITEL, MZ 24757 462 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 11733 3364 601 UNINET, MX 9808 9494 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9002 10979 3271 AMAZON-02, US 12479 7331 1713 145 UNI2-AS, ES 7545 5726 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4343 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4078 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 9494 9453 CHINAMOBILE-CN China Mobile Communications Grou 12479 7331 7186 UNI2-AS, ES 16509 9002 5731 AMAZON-02, US 7545 5726 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4343 4318 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4078 3926 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3733 3713 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:102 /12:298 /13:576 /14:1194 /15:2097 /16:13455 /17:8198 /18:13722 /19:24797 /20:43301 /21:50888 /22:109371 /23:98606 /24:554200 /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 6418 7331 UNI2-AS, ES 8151 5760 11733 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2099 3536 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) ---------------------------------------------- 1:2225 2:1404 3:258 4:5 5:4553 6:137 7:6 8:1513 9:1 11:172 12:1510 13:370 14:2304 15:303 16:192 17:368 18:632 20:281 21:4 22:188 23:6384 24:2487 25:6 27:2548 29:19 31:2531 32:77 34:26 35:113 36:1993 37:4521 38:5157 39:869 40:147 41:4025 42:2096 43:2275 44:322 45:16467 46:4278 47:382 49:1794 50:1870 51:596 52:1597 54:391 55:964 56:8 57:122 58:1793 59:1119 60:998 61:2538 62:2677 63:1920 64:5574 65:2325 66:4894 67:3024 68:1338 69:4135 70:1189 71:657 72:2956 74:2611 75:1565 76:617 77:2328 78:1833 79:2986 80:2118 81:1826 82:1459 83:1282 84:1517 85:2961 86:752 87:1979 88:1176 89:3819 90:617 91:7813 92:2061 93:2601 94:3529 95:4008 96:1295 97:321 98:1077 99:734 100:90 101:1303 102:2914 103:32000 104:4602 105:559 106:881 107:2647 108:1133 109:4215 110:2127 111:3132 112:2060 113:1744 114:1653 115:1994 116:1898 117:2517 118:2696 119:1981 120:1786 121:1085 122:2578 123:2142 124:1580 125:2498 128:1415 129:916 130:1030 131:1958 132:851 133:418 134:1788 135:307 136:909 137:973 138:2621 139:1560 140:1184 141:1285 142:1479 143:1487 144:993 145:346 146:1934 147:1603 148:2428 149:2245 150:869 151:1232 152:1985 153:522 154:4881 155:1389 156:1934 157:1324 158:1081 159:2226 160:2585 161:1583 162:3518 163:1584 164:1701 165:1848 166:1012 167:1722 168:3683 169:903 170:4642 171:880 172:3686 173:2953 174:987 175:1182 176:3784 177:4419 178:3542 179:2101 180:2441 181:3453 182:3317 183:1997 184:2284 185:20522 186:4719 187:4149 188:4144 189:3782 190:9237 191:1350 192:10922 193:8945 194:7253 195:5191 196:3196 197:2466 198:5907 199:6093 200:7875 201:6021 202:10199 203:9974 204:4533 205:3646 206:4247 207:3386 208:4132 209:4901 210:4186 211:2444 212:4231 213:3404 214:1089 215:59 216:6661 217:2773 218:1266 219:403 220:1801 221:977 222:665 223:2143 End of report