IPv4 R&E Routing Table Report 23:05 GMT Sun 22 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: 925751 Prefixes after maximum aggregation (per Origin AS): 353115 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453710 Number of IPv4 prefixes with a valid ROA: 426493 Number of IPv4 prefixes with an invalid ROA: 1657 Number of IPv4 prefixes with no ROA: 497601 Total ASes present in the Internet Routing Table: 74786 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64209 Origin ASes announcing only one prefix: 26472 Transit ASes present in the Internet Routing Table: 10577 Transit-only ASes present in the Internet Routing Table: 465 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 42906 Number of 32-bit ASNs visible in the Routing Table: 35213 Prefixes from 32-bit ASNs in the Routing Table: 175627 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3049432064 Equivalent to 181 /8s, 194 /16s and 164 /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: 309213 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241886 Total APNIC prefixes after maximum aggregation: 70333 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235375 Unique aggregates announced from the APNIC address blocks: 99100 APNIC Region origin ASes present in the Internet Routing Table: 13625 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4081 APNIC Region transit ASes present in the Internet Routing Table: 1815 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9017 Number of APNIC addresses announced to Internet: 770430720 Equivalent to 45 /8s, 235 /16s and 215 /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: 272345 Total ARIN prefixes after maximum aggregation: 123713 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276150 Unique aggregates announced from the ARIN address blocks: 132073 ARIN Region origin ASes present in the Internet Routing Table: 19028 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4810 Number of ARIN addresses announced to Internet: 1276891392 Equivalent to 76 /8s, 27 /16s and 209 /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: 261580 Total RIPE prefixes after maximum aggregation: 123968 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256667 Unique aggregates announced from the RIPE address blocks: 160238 RIPE Region origin ASes present in the Internet Routing Table: 28431 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12102 RIPE Region transit ASes present in the Internet Routing Table: 3948 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11375 Number of RIPE addresses announced to Internet: 716339456 Equivalent to 42 /8s, 178 /16s and 121 /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: 118864 Total LACNIC prefixes after maximum aggregation: 28397 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117815 Unique aggregates announced from the LACNIC address blocks: 49204 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2360 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8870 Number of LACNIC addresses announced to Internet: 178370816 Equivalent to 10 /8s, 161 /16s and 185 /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: 30016 Total AfriNIC prefixes after maximum aggregation: 5981 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39222 Unique aggregates announced from the AfriNIC address blocks: 12657 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141 Number of AfriNIC addresses announced to Internet: 106975232 Equivalent to 6 /8s, 96 /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 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4211 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3214 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 203 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 9137 11001 3330 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3517 3055 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3071 3850 1430 DNIC-ASBLK-00306-00371, US 16625 3031 1397 2306 AKAMAI-AS, US 396982 2704 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2539 23614 1592 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 147 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3109 277 1528 M247, RO 12389 2904 2297 915 ROSTELECOM-AS, RU 34984 2329 362 592 TELLCOM-AS, TR 58224 1701 920 522 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 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 11889 3373 610 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2419 333 628 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1057 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1604 393 19 LINKdotNET-AS, EG 24835 1523 509 26 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1047 67 46 ORANGE-COTE-IVOIRE, CI 36935 837 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 471 32 1 MOVITEL, MZ 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 11889 3373 610 UNINET, MX 9808 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9137 11001 3330 AMAZON-02, US 12479 7389 1713 145 UNI2-AS, ES 7545 5713 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4211 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4083 3397 147 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 9486 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7389 7244 UNI2-AS, ES 16509 9137 5807 AMAZON-02, US 7545 5713 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4211 4186 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4083 3936 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3605 3585 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 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 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 /11:100 /12:299 /13:578 /14:1190 /15:2085 /16:13427 /17:8234 /18:13702 /19:24795 /20:43220 /21:51152 /22:109754 /23:98694 /24:558445 /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 6476 7389 UNI2-AS, ES 8151 5919 11889 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2928 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2577 3517 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 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) ---------------------------------------------- 1:2204 2:1397 3:270 4:5 5:4387 6:153 7:6 8:1497 9:1 11:172 12:1503 13:368 14:2307 15:305 16:194 17:362 18:660 20:308 21:4 22:188 23:6466 24:2522 25:2 27:2578 29:19 31:2551 32:72 34:27 35:114 36:2006 37:4478 38:5459 39:867 40:143 41:3988 42:2040 43:2268 44:323 45:16644 46:4316 47:371 49:1831 50:1881 51:577 52:1583 54:392 55:961 56:5 57:126 58:1791 59:1114 60:1006 61:2545 62:2691 63:1908 64:5644 65:2356 66:4959 67:3051 68:1343 69:4120 70:1185 71:639 72:2939 74:2621 75:1563 76:629 77:2305 78:1829 79:3008 80:2115 81:1827 82:1518 83:1304 84:1561 85:3046 86:765 87:2005 88:1205 89:3941 90:623 91:7852 92:2067 93:2631 94:3563 95:3999 96:1302 97:316 98:1080 99:735 100:92 101:1295 102:2931 103:32206 104:4780 105:576 106:914 107:2721 108:1132 109:4243 110:2137 111:3133 112:2054 113:1748 114:1690 115:1996 116:1893 117:2531 118:2702 119:1957 120:1783 121:1139 122:2600 123:2174 124:1575 125:2578 128:1405 129:910 130:1037 131:1957 132:857 133:408 134:1768 135:300 136:906 137:981 138:2663 139:1576 140:1301 141:1332 142:1505 143:1526 144:997 145:350 146:1958 147:1614 148:2468 149:2336 150:880 151:1242 152:1954 153:523 154:5162 155:1401 156:2010 157:1345 158:1057 159:2191 160:2635 161:1598 162:3511 163:1615 164:1709 165:1860 166:1060 167:1739 168:3850 169:791 170:4595 171:951 172:3795 173:2987 174:978 175:1186 176:3606 177:4524 178:3539 179:2157 180:2471 181:3524 182:3384 183:1981 184:2269 185:20575 186:4724 187:4192 188:4088 189:3900 190:9311 191:1381 192:10916 193:8957 194:7305 195:5215 196:3213 197:2479 198:5926 199:6308 200:7996 201:6194 202:10187 203:9981 204:4530 205:3686 206:4328 207:3403 208:4097 209:4898 210:4208 211:2448 212:4265 213:3387 214:1111 215:71 216:6704 217:2769 218:1271 219:407 220:1803 221:984 222:665 223:2145 End of report