IPv4 R&E Routing Table Report 23:05 GMT Wed 26 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: 920508 Prefixes after maximum aggregation (per Origin AS): 350273 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452479 Number of IPv4 prefixes with a valid ROA: 414290 Number of IPv4 prefixes with an invalid ROA: 1616 Number of IPv4 prefixes with no ROA: 504602 Total ASes present in the Internet Routing Table: 74445 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63960 Origin ASes announcing only one prefix: 26250 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 37 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: 1121 Number of instances of unregistered ASNs: 1123 Number of 32-bit ASNs allocated by the RIRs: 42301 Number of 32-bit ASNs visible in the Routing Table: 34800 Prefixes from 32-bit ASNs in the Routing Table: 173308 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3052410112 Equivalent to 181 /8s, 240 /16s and 21 /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: 308181 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240241 Total APNIC prefixes after maximum aggregation: 69284 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234053 Unique aggregates announced from the APNIC address blocks: 98675 APNIC Region origin ASes present in the Internet Routing Table: 13456 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8838 Number of APNIC addresses announced to Internet: 772932352 Equivalent to 46 /8s, 18 /16s and 3 /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: 270779 Total ARIN prefixes after maximum aggregation: 123283 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272865 Unique aggregates announced from the ARIN address blocks: 130749 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 4798 Number of ARIN addresses announced to Internet: 1276592128 Equivalent to 76 /8s, 23 /16s and 64 /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: 260355 Total RIPE prefixes after maximum aggregation: 122572 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257044 Unique aggregates announced from the RIPE address blocks: 159851 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12016 RIPE Region transit ASes present in the Internet Routing Table: 3951 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: 11247 Number of RIPE addresses announced to Internet: 716732928 Equivalent to 42 /8s, 184 /16s and 122 /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: 118338 Total LACNIC prefixes after maximum aggregation: 28389 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117476 Unique aggregates announced from the LACNIC address blocks: 49708 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2321 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: 8806 Number of LACNIC addresses announced to Internet: 178539008 Equivalent to 10 /8s, 164 /16s and 74 /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: 29674 Total AfriNIC prefixes after maximum aggregation: 6000 AfriNIC Deaggregation factor: 4.95 Prefixes being announced from the AfriNIC address blocks: 38463 Unique aggregates announced from the AfriNIC address blocks: 12998 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1111 Number of AfriNIC addresses announced to Internet: 107278080 Equivalent to 6 /8s, 100 /16s and 239 /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 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3704 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3586 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3223 1853 113 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2454 834 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 8802 10936 3164 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3536 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3149 1564 2357 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2942 3831 1384 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2509 361 362 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 7308 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 157 AKAMAI-ASN1, NL 8551 3453 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2674 247 1395 M247, RO 34984 2313 361 605 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1779 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 11649 3376 599 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2418 362 635 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 344 510 Axtel, S.A.B. de C.V., MX 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1111 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1035 2500 48 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 1557 376 117 LINKdotNET-AS, EG 24835 1463 497 27 RAYA-AS, EG 36992 1351 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 784 518 31 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 447 54 47 WANANCHI-, KE 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 11649 3376 599 UNINET, MX 9808 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8802 10936 3164 AMAZON-02, US 12479 7308 1706 141 UNI2-AS, ES 7545 5677 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4080 3398 157 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 9517 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8802 5638 AMAZON-02, US 7545 5677 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4080 3923 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US 7552 3704 3683 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 23.158.136.0/24 Origin: 61112 AKILECLOUD, GB 23.158.136.0/24 Transit: 20473 AS-CHOOPA, 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 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 /12:297 /13:576 /14:1196 /15:2102 /16:13429 /17:8195 /18:13732 /19:24809 /20:43201 /21:51059 /22:109318 /23:98289 /24:554126 /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 6398 7308 UNI2-AS, ES 8151 5576 11649 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2922 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2185 2:1346 3:244 4:5 5:4512 6:131 7:6 8:1515 9:1 11:172 12:1523 13:373 14:2288 15:302 16:194 17:372 18:534 20:271 21:4 22:188 23:6359 24:2612 25:4 27:2538 29:19 31:2536 32:78 34:26 35:111 36:1979 37:4689 38:5081 39:831 40:152 41:3873 42:2017 43:2302 44:303 45:16632 46:4352 47:381 49:1764 50:1852 51:584 52:1592 54:393 55:974 56:8 57:119 58:1819 59:1103 60:988 61:2507 62:2658 63:1918 64:5556 65:2308 66:4916 67:3042 68:1326 69:4081 70:1205 71:678 72:2976 74:2636 75:1581 76:615 77:2440 78:1831 79:2970 80:2121 81:1802 82:1484 83:1262 84:1526 85:2971 86:768 87:2012 88:1175 89:3832 90:619 91:7798 92:2054 93:2605 94:3581 95:4041 96:1303 97:330 98:1148 99:735 100:95 101:1312 102:2864 103:31748 104:4571 105:557 106:877 107:2544 108:1096 109:4230 110:2102 111:3130 112:2056 113:1701 114:1635 115:1978 116:1895 117:2566 118:2677 119:1973 120:1787 121:1077 122:2559 123:2131 124:1571 125:2483 128:1388 129:1034 130:1019 131:1957 132:847 133:422 134:1787 135:306 136:885 137:965 138:2621 139:1565 140:1256 141:1306 142:1462 143:1488 144:983 145:342 146:1943 147:1608 148:2407 149:2165 150:876 151:1169 152:1951 153:503 154:4690 155:1377 156:1876 157:1321 158:1098 159:2224 160:2592 161:1560 162:3503 163:1546 164:1661 165:1861 166:1033 167:1732 168:3860 169:930 170:4602 171:899 172:3645 173:2975 174:1040 175:1177 176:3728 177:4516 178:3612 179:2131 180:2472 181:3504 182:3401 183:1994 184:2309 185:20490 186:4734 187:4107 188:4100 189:3722 190:9214 191:1394 192:10909 193:8926 194:7311 195:5157 196:3199 197:2460 198:5929 199:6082 200:7942 201:5932 202:10274 203:10063 204:4548 205:3648 206:4284 207:3381 208:4110 209:4902 210:4187 211:2445 212:4263 213:3581 214:1094 215:60 216:6660 217:2759 218:1261 219:414 220:1797 221:960 222:682 223:2158 End of report