IPv4 R&E Routing Table Report 23:05 GMT Sun 16 Jul, 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: 919753 Prefixes after maximum aggregation (per Origin AS): 349766 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451686 Number of IPv4 prefixes with a valid ROA: 411824 Number of IPv4 prefixes with an invalid ROA: 1637 Number of IPv4 prefixes with no ROA: 506292 Total ASes present in the Internet Routing Table: 74420 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63935 Origin ASes announcing only one prefix: 26301 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1080 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 42256 Number of 32-bit ASNs visible in the Routing Table: 34761 Prefixes from 32-bit ASNs in the Routing Table: 172704 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3053064704 Equivalent to 181 /8s, 250 /16s and 18 /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: 99.6 Total number of prefixes smaller than registry allocations: 307946 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239952 Total APNIC prefixes after maximum aggregation: 69047 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233787 Unique aggregates announced from the APNIC address blocks: 98541 APNIC Region origin ASes present in the Internet Routing Table: 13421 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3969 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8805 Number of APNIC addresses announced to Internet: 773060096 Equivalent to 46 /8s, 19 /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: 270072 Total ARIN prefixes after maximum aggregation: 123091 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272373 Unique aggregates announced from the ARIN address blocks: 130725 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4802 Number of ARIN addresses announced to Internet: 1277011968 Equivalent to 76 /8s, 29 /16s and 168 /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: 260141 Total RIPE prefixes after maximum aggregation: 122616 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256690 Unique aggregates announced from the RIPE address blocks: 159790 RIPE Region origin ASes present in the Internet Routing Table: 28335 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3941 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: 11228 Number of RIPE addresses announced to Internet: 716702208 Equivalent to 42 /8s, 184 /16s and 2 /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 196608-213403 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: 118666 Total LACNIC prefixes after maximum aggregation: 28398 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117807 Unique aggregates announced from the LACNIC address blocks: 49501 LACNIC Region origin ASes present in the Internet Routing Table: 11016 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8814 Number of LACNIC addresses announced to Internet: 178435584 Equivalent to 10 /8s, 162 /16s and 182 /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: 29842 Total AfriNIC prefixes after maximum aggregation: 5886 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38516 Unique aggregates announced from the AfriNIC address blocks: 12648 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1112 Number of AfriNIC addresses announced to Internet: 107517952 Equivalent to 6 /8s, 104 /16s and 152 /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 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3698 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 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 8744 10925 3105 AMAZON-02, US 11492 4521 300 615 CABLEONE, US 7155 4171 288 87 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3140 1557 2355 AKAMAI-AS, US 367 2733 3744 1314 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 396 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4071 3398 160 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2651 246 1376 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1829 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11593 3378 595 UNINET, MX 10620 3528 507 839 Telmex Colombia S.A., CO 13999 2404 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1285 344 506 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1100 177 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 465 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 11593 3378 595 UNINET, MX 9808 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8744 10925 3105 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 615 CABLEONE, US 18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 87 VIASAT-SP-BACKBONE, US 20940 4071 3398 160 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 9521 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8744 5639 AMAZON-02, US 7545 5679 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4223 4198 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4084 VIASAT-SP-BACKBONE, US 20940 4071 3911 AKAMAI-ASN1, NL 11492 4521 3906 CABLEONE, US 7552 3698 3677 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 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 /11:103 /12:296 /13:574 /14:1198 /15:2105 /16:13423 /17:8189 /18:13739 /19:24876 /20:43296 /21:51121 /22:109406 /23:98148 /24:553202 /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 6387 7299 UNI2-AS, ES 8151 5512 11593 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4521 CABLEONE, US 6327 3332 3522 SHAW, CA 7155 3120 4171 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3528 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) ---------------------------------------------- 1:2169 2:1339 3:230 4:5 5:4500 6:130 7:6 8:1513 9:1 11:172 12:1520 13:382 14:2311 15:301 16:194 17:372 18:526 20:268 21:4 22:188 23:6345 24:2601 25:4 27:2521 29:19 31:2534 32:77 34:26 35:111 36:1955 37:4699 38:5004 39:829 40:152 41:3937 42:2005 43:2296 44:305 45:16602 46:4347 47:377 49:1764 50:1849 51:586 52:1595 54:397 55:975 56:8 57:120 58:1815 59:1097 60:985 61:2501 62:2657 63:1903 64:5558 65:2318 66:4933 67:3048 68:1330 69:4099 70:1206 71:675 72:2979 74:2624 75:1573 76:612 77:2442 78:1810 79:2979 80:2113 81:1790 82:1496 83:1261 84:1525 85:2961 86:765 87:2007 88:1173 89:3838 90:614 91:7787 92:2042 93:2599 94:3577 95:4040 96:1310 97:337 98:1153 99:735 100:95 101:1313 102:2835 103:31632 104:4560 105:505 106:876 107:2554 108:1075 109:4234 110:2101 111:3125 112:2055 113:1740 114:1632 115:1979 116:1896 117:2573 118:2610 119:1979 120:1791 121:1075 122:2556 123:2129 124:1573 125:2462 128:1403 129:1044 130:1008 131:1976 132:833 133:422 134:1796 135:307 136:887 137:952 138:2517 139:1565 140:1254 141:1298 142:1460 143:1508 144:983 145:339 146:1951 147:1583 148:2383 149:2136 150:881 151:1165 152:1954 153:493 154:4642 155:1358 156:1810 157:1316 158:1085 159:2261 160:2589 161:1524 162:3504 163:1557 164:1601 165:1878 166:1051 167:1728 168:3840 169:946 170:4614 171:893 172:3641 173:2959 174:1088 175:1177 176:3720 177:4492 178:3603 179:2171 180:2467 181:3488 182:3396 183:1999 184:2319 185:20481 186:4768 187:4075 188:4106 189:3718 190:9235 191:1378 192:10893 193:8916 194:7328 195:5137 196:3205 197:2375 198:5905 199:6096 200:7989 201:5945 202:10266 203:10096 204:4549 205:3608 206:4282 207:3389 208:4114 209:4884 210:4183 211:2442 212:4244 213:3589 214:1085 215:59 216:6652 217:2744 218:1276 219:414 220:1766 221:964 222:683 223:2155 End of report