IPv4 R&E Routing Table Report 23:05 GMT Fri 20 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: 925827 Prefixes after maximum aggregation (per Origin AS): 353036 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453876 Number of IPv4 prefixes with a valid ROA: 426872 Number of IPv4 prefixes with an invalid ROA: 1656 Number of IPv4 prefixes with no ROA: 497299 Total ASes present in the Internet Routing Table: 74786 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64192 Origin ASes announcing only one prefix: 26463 Transit ASes present in the Internet Routing Table: 10594 Transit-only ASes present in the Internet Routing Table: 472 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 1059 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 42878 Number of 32-bit ASNs visible in the Routing Table: 35212 Prefixes from 32-bit ASNs in the Routing Table: 175712 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3049543168 Equivalent to 181 /8s, 196 /16s and 86 /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: 99.5 Total number of prefixes smaller than registry allocations: 309289 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241891 Total APNIC prefixes after maximum aggregation: 70324 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235397 Unique aggregates announced from the APNIC address blocks: 99098 APNIC Region origin ASes present in the Internet Routing Table: 13618 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4086 APNIC Region transit ASes present in the Internet Routing Table: 1825 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: 9011 Number of APNIC addresses announced to Internet: 770438656 Equivalent to 45 /8s, 235 /16s and 246 /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: 272391 Total ARIN prefixes after maximum aggregation: 123623 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276175 Unique aggregates announced from the ARIN address blocks: 132119 ARIN Region origin ASes present in the Internet Routing Table: 19024 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4806 Number of ARIN addresses announced to Internet: 1276850688 Equivalent to 76 /8s, 27 /16s and 50 /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: 261703 Total RIPE prefixes after maximum aggregation: 123993 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256793 Unique aggregates announced from the RIPE address blocks: 160277 RIPE Region origin ASes present in the Internet Routing Table: 28434 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12101 RIPE Region transit ASes present in the Internet Routing Table: 3960 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: 11378 Number of RIPE addresses announced to Internet: 716432384 Equivalent to 42 /8s, 179 /16s and 228 /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: 118845 Total LACNIC prefixes after maximum aggregation: 28390 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117800 Unique aggregates announced from the LACNIC address blocks: 49269 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: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2357 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: 8874 Number of LACNIC addresses announced to Internet: 178386944 Equivalent to 10 /8s, 161 /16s and 248 /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: 29938 Total AfriNIC prefixes after maximum aggregation: 5983 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39140 Unique aggregates announced from the AfriNIC address blocks: 12677 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1143 Number of AfriNIC addresses announced to Internet: 107010048 Equivalent to 6 /8s, 96 /16s and 216 /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 5712 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4210 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 3213 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 2191 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 9166 11006 3271 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3516 3055 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3064 3848 1430 DNIC-ASBLK-00306-00371, US 16625 3015 1388 2295 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 7394 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3397 147 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3109 277 1528 M247, RO 12389 2905 2297 916 ROSTELECOM-AS, RU 34984 2332 362 592 TELLCOM-AS, TR 58224 1701 920 523 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 11894 3373 611 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2418 333 627 Mega Cable, S.A. de C.V., MX 11830 2002 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 1284 343 511 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1053 168 424 Techtel LMDS Comunicaciones Interactiva 26615 1040 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 1606 393 19 LINKdotNET-AS, EG 24835 1513 513 27 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 815 521 46 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 11894 3373 611 UNINET, MX 9808 9486 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9166 11006 3271 AMAZON-02, US 12479 7394 1713 145 UNI2-AS, ES 7545 5712 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4210 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4082 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 7394 7249 UNI2-AS, ES 16509 9166 5895 AMAZON-02, US 7545 5712 5016 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4210 4185 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4082 3935 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 /16:13430 /17:8236 /18:13692 /19:24765 /20:43224 /21:51156 /22:109730 /23:98773 /24:558493 /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 6481 7394 UNI2-AS, ES 8151 5920 11894 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 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2576 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 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) ---------------------------------------------- 1:2207 2:1435 3:270 4:5 5:4389 6:153 7:6 8:1498 9:1 11:172 12:1503 13:366 14:2310 15:305 16:194 17:362 18:665 20:308 21:4 22:188 23:6466 24:2522 25:2 27:2578 29:19 31:2549 32:72 34:27 35:114 36:2006 37:4479 38:5455 39:867 40:143 41:3984 42:2041 43:2274 44:324 45:16626 46:4320 47:370 49:1831 50:1878 51:577 52:1585 54:392 55:960 56:5 57:128 58:1789 59:1114 60:1005 61:2546 62:2692 63:1907 64:5636 65:2356 66:4958 67:3049 68:1343 69:4120 70:1188 71:639 72:2941 74:2623 75:1562 76:629 77:2305 78:1829 79:3010 80:2114 81:1826 82:1516 83:1304 84:1566 85:3046 86:767 87:2004 88:1208 89:3943 90:622 91:7852 92:2069 93:2638 94:3564 95:4000 96:1302 97:316 98:1081 99:735 100:92 101:1295 102:2934 103:32208 104:4781 105:574 106:914 107:2722 108:1134 109:4240 110:2136 111:3132 112:2056 113:1751 114:1692 115:1990 116:1894 117:2531 118:2701 119:1957 120:1784 121:1139 122:2601 123:2174 124:1575 125:2576 128:1409 129:901 130:1040 131:1961 132:856 133:408 134:1768 135:304 136:905 137:979 138:2667 139:1583 140:1301 141:1331 142:1506 143:1529 144:1000 145:350 146:1962 147:1612 148:2487 149:2337 150:880 151:1239 152:1954 153:523 154:5149 155:1396 156:2011 157:1350 158:1056 159:2191 160:2632 161:1599 162:3512 163:1614 164:1710 165:1862 166:1063 167:1735 168:3820 169:791 170:4597 171:951 172:3795 173:2989 174:978 175:1186 176:3605 177:4503 178:3538 179:2148 180:2472 181:3521 182:3383 183:1981 184:2270 185:20608 186:4716 187:4178 188:4092 189:3910 190:9305 191:1370 192:10928 193:8959 194:7304 195:5215 196:3178 197:2477 198:5929 199:6301 200:8002 201:6198 202:10193 203:9980 204:4534 205:3693 206:4325 207:3410 208:4098 209:4897 210:4210 211:2448 212:4279 213:3388 214:1111 215:71 216:6698 217:2776 218:1271 219:407 220:1802 221:984 222:665 223:2151 End of report