IPv4 R&E Routing Table Report 23:05 GMT Sat 02 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: 920834 Prefixes after maximum aggregation (per Origin AS): 350991 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452435 Number of IPv4 prefixes with a valid ROA: 417924 Number of IPv4 prefixes with an invalid ROA: 1668 Number of IPv4 prefixes with no ROA: 501242 Total ASes present in the Internet Routing Table: 74565 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64153 Origin ASes announcing only one prefix: 26317 Transit ASes present in the Internet Routing Table: 10412 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1015 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 42572 Number of 32-bit ASNs visible in the Routing Table: 34969 Prefixes from 32-bit ASNs in the Routing Table: 174024 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3055096832 Equivalent to 182 /8s, 25 /16s and 20 /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: 307668 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240973 Total APNIC prefixes after maximum aggregation: 69777 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234691 Unique aggregates announced from the APNIC address blocks: 98640 APNIC Region origin ASes present in the Internet Routing Table: 13505 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4002 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8897 Number of APNIC addresses announced to Internet: 772226304 Equivalent to 46 /8s, 7 /16s and 61 /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: 270835 Total ARIN prefixes after maximum aggregation: 123525 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273069 Unique aggregates announced from the ARIN address blocks: 131208 ARIN Region origin ASes present in the Internet Routing Table: 19052 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6968 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1279307776 Equivalent to 76 /8s, 64 /16s and 176 /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: 259823 Total RIPE prefixes after maximum aggregation: 122668 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256419 Unique aggregates announced from the RIPE address blocks: 160040 RIPE Region origin ASes present in the Internet Routing Table: 28383 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3902 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: 11298 Number of RIPE addresses announced to Internet: 716753664 Equivalent to 42 /8s, 184 /16s and 203 /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: 118240 Total LACNIC prefixes after maximum aggregation: 28359 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117278 Unique aggregates announced from the LACNIC address blocks: 49262 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2322 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8832 Number of LACNIC addresses announced to Internet: 178586624 Equivalent to 10 /8s, 165 /16s and 4 /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: 29948 Total AfriNIC prefixes after maximum aggregation: 5961 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38834 Unique aggregates announced from the AfriNIC address blocks: 12835 AfriNIC Region origin ASes present in the Internet Routing Table: 1783 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 1127 Number of AfriNIC addresses announced to Internet: 107785728 Equivalent to 6 /8s, 108 /16s and 174 /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 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3123 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2183 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 8995 10979 3259 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 3533 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3029 1459 2286 AKAMAI-AS, US 367 2962 3831 1395 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 369 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 7346 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 152 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 914 ROSTELECOM-AS, RU 9009 2678 247 1380 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1511 101 1177 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 11727 3364 602 UNINET, MX 10620 3537 506 849 Telmex Colombia S.A., CO 13999 2446 364 639 Mega Cable, S.A. de C.V., MX 11830 1998 369 65 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 1294 764 196 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 1027 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 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 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 465 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 11727 3364 602 UNINET, MX 9808 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8995 10979 3259 AMAZON-02, US 12479 7346 1713 145 UNI2-AS, ES 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4076 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 9493 9453 CHINAMOBILE-CN China Mobile Communications Grou 12479 7346 7201 UNI2-AS, ES 16509 8995 5736 AMAZON-02, US 7545 5725 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4076 3924 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3734 3714 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 /14:1195 /15:2099 /16:13457 /17:8202 /18:13720 /19:24805 /20:43324 /21:50899 /22:109328 /23:98652 /24:554100 /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 6432 7346 UNI2-AS, ES 8151 5752 11727 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3533 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2100 3537 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) ---------------------------------------------- 1:2226 2:1397 3:253 4:5 5:4553 6:137 7:6 8:1512 9:1 11:172 12:1510 13:369 14:2303 15:302 16:192 17:368 18:633 20:281 21:4 22:188 23:6386 24:2488 25:6 27:2555 29:19 31:2531 32:77 34:26 35:114 36:1992 37:4524 38:5158 39:870 40:147 41:4029 42:2100 43:2253 44:321 45:16539 46:4261 47:386 49:1790 50:1854 51:595 52:1597 54:391 55:964 56:8 57:122 58:1793 59:1119 60:999 61:2523 62:2679 63:1923 64:5570 65:2324 66:4894 67:3025 68:1339 69:4133 70:1189 71:657 72:2960 74:2610 75:1565 76:617 77:2315 78:1834 79:2986 80:2120 81:1826 82:1459 83:1282 84:1500 85:2964 86:751 87:2000 88:1177 89:3831 90:617 91:7809 92:2068 93:2622 94:3526 95:4007 96:1295 97:321 98:1077 99:734 100:90 101:1305 102:2921 103:32001 104:4582 105:559 106:881 107:2598 108:1135 109:4211 110:2123 111:3131 112:2059 113:1744 114:1653 115:1995 116:1900 117:2518 118:2696 119:1982 120:1785 121:1085 122:2570 123:2139 124:1581 125:2498 128:1407 129:916 130:1026 131:1948 132:849 133:418 134:1789 135:307 136:908 137:969 138:2633 139:1565 140:1181 141:1294 142:1479 143:1488 144:992 145:346 146:1934 147:1602 148:2427 149:2171 150:866 151:1233 152:1984 153:511 154:4874 155:1389 156:1934 157:1324 158:1081 159:2226 160:2583 161:1584 162:3515 163:1583 164:1700 165:1835 166:1009 167:1726 168:3696 169:906 170:4650 171:886 172:3683 173:2955 174:987 175:1186 176:3776 177:4435 178:3531 179:2100 180:2441 181:3450 182:3316 183:1996 184:2284 185:20517 186:4737 187:4158 188:4132 189:3781 190:9241 191:1344 192:10927 193:8938 194:7262 195:5191 196:3195 197:2445 198:5907 199:6101 200:7860 201:6031 202:10207 203:9982 204:4529 205:3650 206:4260 207:3384 208:4124 209:4903 210:4188 211:2445 212:4235 213:3407 214:1091 215:59 216:6666 217:2764 218:1266 219:403 220:1801 221:977 222:665 223:2146 End of report