IPv4 R&E Routing Table Report 23:05 GMT Sat 16 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: 922407 Prefixes after maximum aggregation (per Origin AS): 351670 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453183 Number of IPv4 prefixes with a valid ROA: 419943 Number of IPv4 prefixes with an invalid ROA: 1575 Number of IPv4 prefixes with no ROA: 500889 Total ASes present in the Internet Routing Table: 74619 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64198 Origin ASes announcing only one prefix: 26333 Transit ASes present in the Internet Routing Table: 10421 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1043 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 42627 Number of 32-bit ASNs visible in the Routing Table: 35027 Prefixes from 32-bit ASNs in the Routing Table: 174878 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 571 Number of addresses announced to Internet: 3053854208 Equivalent to 182 /8s, 6 /16s and 30 /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: 308103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240951 Total APNIC prefixes after maximum aggregation: 70098 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234602 Unique aggregates announced from the APNIC address blocks: 98711 APNIC Region origin ASes present in the Internet Routing Table: 13539 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 4037 APNIC Region transit ASes present in the Internet Routing Table: 1809 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8933 Number of APNIC addresses announced to Internet: 772211200 Equivalent to 46 /8s, 7 /16s and 2 /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: 270928 Total ARIN prefixes after maximum aggregation: 123317 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273966 Unique aggregates announced from the ARIN address blocks: 131564 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.39 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1278061312 Equivalent to 76 /8s, 45 /16s and 171 /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: 261048 Total RIPE prefixes after maximum aggregation: 123247 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256716 Unique aggregates announced from the RIPE address blocks: 160322 RIPE Region origin ASes present in the Internet Routing Table: 28386 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3895 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: 11315 Number of RIPE addresses announced to Internet: 716942848 Equivalent to 42 /8s, 187 /16s and 174 /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: 118242 Total LACNIC prefixes after maximum aggregation: 28330 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117214 Unique aggregates announced from the LACNIC address blocks: 49263 LACNIC Region origin ASes present in the Internet Routing Table: 11018 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2327 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8838 Number of LACNIC addresses announced to Internet: 178405632 Equivalent to 10 /8s, 162 /16s and 65 /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: 30195 Total AfriNIC prefixes after maximum aggregation: 5972 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39338 Unique aggregates announced from the AfriNIC address blocks: 12845 AfriNIC Region origin ASes present in the Internet Routing Table: 1786 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1128 Number of AfriNIC addresses announced to Internet: 107787776 Equivalent to 6 /8s, 108 /16s and 182 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3715 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3149 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2514 849 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 9078 10994 3229 AMAZON-02, US 11492 4527 300 671 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3546 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3539 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 3006 1438 2277 AKAMAI-AS, US 367 2965 3827 1398 DNIC-ASBLK-00306-00371, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2500 358 362 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 7391 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 152 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 912 ROSTELECOM-AS, RU 9009 2728 254 1395 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1730 921 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1490 99 1159 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 11824 3368 601 UNINET, MX 10620 3542 506 851 Telmex Colombia S.A., CO 13999 2396 333 624 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1325 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 1122 181 424 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1029 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 1612 393 19 LINKdotNET-AS, EG 24835 1533 549 28 RAYA-AS, EG 36992 1358 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 920 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 55 49 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 24757 481 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 11824 3368 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9078 10994 3229 AMAZON-02, US 12479 7391 1713 145 UNI2-AS, ES 7545 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 671 CABLEONE, US 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4065 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7391 7246 UNI2-AS, ES 16509 9078 5849 AMAZON-02, US 7545 5728 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4282 4257 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4065 3913 AKAMAI-ASN1, NL 11492 4527 3856 CABLEONE, US 7552 3715 3695 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 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2097 /16:13446 /17:8194 /18:13731 /19:24809 /20:43220 /21:50920 /22:109588 /23:98655 /24:555502 /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 6477 7391 UNI2-AS, ES 8151 5849 11824 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3439 4527 CABLEONE, US 6327 3350 3539 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2922 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2594 3546 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2105 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) ---------------------------------------------- 1:2211 2:1420 3:263 4:5 5:4525 6:135 7:6 8:1503 9:1 11:172 12:1517 13:362 14:2313 15:302 16:192 17:368 18:644 20:286 21:4 22:188 23:6358 24:2493 25:2 27:2572 29:19 31:2527 32:76 34:27 35:114 36:1985 37:4528 38:5241 39:870 40:146 41:4042 42:2080 43:2267 44:318 45:16562 46:4275 47:373 49:1822 50:1880 51:597 52:1595 54:396 55:958 56:5 57:123 58:1800 59:1121 60:1002 61:2536 62:2679 63:1912 64:5637 65:2340 66:4884 67:3026 68:1340 69:4145 70:1193 71:661 72:2955 74:2596 75:1561 76:617 77:2292 78:1823 79:2984 80:2113 81:1839 82:1460 83:1291 84:1522 85:3043 86:767 87:2001 88:1167 89:3864 90:621 91:7817 92:2061 93:2613 94:3523 95:4013 96:1297 97:316 98:1081 99:736 100:90 101:1317 102:2919 103:31977 104:4607 105:561 106:891 107:2680 108:1124 109:4218 110:2119 111:3140 112:2061 113:1751 114:1667 115:1992 116:1889 117:2534 118:2693 119:1966 120:1776 121:1118 122:2588 123:2144 124:1577 125:2515 128:1414 129:916 130:1034 131:1949 132:856 133:277 134:1788 135:305 136:908 137:970 138:2637 139:1562 140:1180 141:1310 142:1503 143:1507 144:1000 145:350 146:1936 147:1588 148:2420 149:2253 150:873 151:1231 152:1980 153:522 154:5162 155:1383 156:1931 157:1325 158:1080 159:2242 160:2590 161:1580 162:3535 163:1588 164:1689 165:1853 166:1068 167:1735 168:3708 169:894 170:4633 171:912 172:3713 173:2956 174:979 175:1180 176:3760 177:4473 178:3506 179:2146 180:2495 181:3513 182:3319 183:1996 184:2286 185:20547 186:4683 187:4169 188:4157 189:3840 190:9191 191:1377 192:10933 193:8953 194:7298 195:5207 196:3195 197:2475 198:5895 199:6116 200:7861 201:6031 202:10156 203:9978 204:4538 205:3678 206:4299 207:3395 208:4121 209:4893 210:4198 211:2438 212:4249 213:3407 214:1116 215:58 216:6672 217:2784 218:1266 219:404 220:1802 221:981 222:666 223:2145 End of report