IPv4 R&E Routing Table Report 23:05 GMT Tue 18 Oct, 2022 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: 896813 Prefixes after maximum aggregation (per Origin AS): 340998 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439832 Number of IPv4 prefixes with a valid ROA: 356245 Number of IPv4 prefixes with an invalid ROA: 1622 Number of IPv4 prefixes with no ROA: 538946 Total ASes present in the Internet Routing Table: 73579 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63240 Origin ASes announcing only one prefix: 25991 Transit ASes present in the Internet Routing Table: 10339 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1093 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 40407 Number of 32-bit ASNs visible in the Routing Table: 33480 Prefixes from 32-bit ASNs in the Routing Table: 161309 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 548 Number of addresses announced to Internet: 3063335936 Equivalent to 182 /8s, 150 /16s and 204 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 301471 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231959 Total APNIC prefixes after maximum aggregation: 67141 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226932 Unique aggregates announced from the APNIC address blocks: 96508 APNIC Region origin ASes present in the Internet Routing Table: 12945 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3732 APNIC Region transit ASes present in the Internet Routing Table: 1747 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8243 Number of APNIC addresses announced to Internet: 773189632 Equivalent to 46 /8s, 21 /16s and 240 /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, 131072-151865 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: 265187 Total ARIN prefixes after maximum aggregation: 120719 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266439 Unique aggregates announced from the ARIN address blocks: 128578 ARIN Region origin ASes present in the Internet Routing Table: 18990 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4626 Number of ARIN addresses announced to Internet: 1289741568 Equivalent to 76 /8s, 223 /16s and 229 /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: 253379 Total RIPE prefixes after maximum aggregation: 118928 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250186 Unique aggregates announced from the RIPE address blocks: 153984 RIPE Region origin ASes present in the Internet Routing Table: 28161 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12017 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10846 Number of RIPE addresses announced to Internet: 716323072 Equivalent to 42 /8s, 178 /16s and 57 /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: 116425 Total LACNIC prefixes after maximum aggregation: 27813 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115973 Unique aggregates announced from the LACNIC address blocks: 48383 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2236 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8743 Number of LACNIC addresses announced to Internet: 175871232 Equivalent to 10 /8s, 123 /16s and 149 /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: 28770 Total AfriNIC prefixes after maximum aggregation: 5593 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36735 Unique aggregates announced from the AfriNIC address blocks: 11933 AfriNIC Region origin ASes present in the Internet Routing Table: 1697 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 322 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1022 Number of AfriNIC addresses announced to Internet: 107904512 Equivalent to 6 /8s, 110 /16s and 126 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3522 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2472 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2241 851 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2140 425 217 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 7360 10580 2881 AMAZON-02, US 11492 4602 305 517 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3768 3066 347 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3538 1843 2537 AKAMAI-AS, US 6327 3496 1319 64 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 30036 2598 367 267 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2560 24149 1560 ATT-INTERNET4, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, 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 6902 1730 144 UNI2-AS, ES 20940 4103 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3827 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2614 252 1343 M247, RO 6849 2484 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 58224 1696 911 637 TCI, IR 13188 1610 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 10904 3337 600 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2060 336 532 Mega Cable, S.A. de C.V., MX 28573 1352 2330 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1086 181 467 Techtel LMDS Comunicaciones Interactiva 6147 1085 369 22 Telefonica del Peru S.A.A., PE 26615 986 2466 43 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 1571 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 525 53 42 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10904 3337 600 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7360 10580 2881 AMAZON-02, US 12479 6902 1730 144 UNI2-AS, ES 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4602 305 517 CABLEONE, US 20940 4103 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 7155 3899 265 32 VIASAT-SP-BACKBONE, US 8551 3827 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6902 6758 UNI2-AS, ES 7545 5926 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7360 4479 AMAZON-02, US 11492 4602 4085 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4103 3931 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 8551 3827 3789 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3594 3574 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, US 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 /9:13 /10:38 /11:100 /12:294 /13:586 /14:1197 /15:2077 /16:13470 /17:8305 /18:13838 /19:24816 /20:43060 /21:50802 /22:108149 /23:96008 /24:534037 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5911 6902 UNI2-AS, ES 8151 4796 10904 Uninet S.A. de C.V., MX 11492 3509 4602 CABLEONE, US 6327 3305 3496 SHAW, CA 8551 3291 3827 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2783 3768 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2345 2484 UKRTELNET, UA 30036 2258 2598 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1028 3:166 4:5 5:3942 6:116 7:6 8:1551 9:1 11:173 12:1619 13:337 14:2366 15:274 16:69 17:365 18:337 20:240 21:4 22:188 23:5953 24:2453 25:6 27:2710 29:19 31:2454 32:91 34:7 35:90 36:1894 37:4489 38:3634 39:754 40:159 41:3955 42:1168 43:2266 44:295 45:16213 46:4224 47:376 49:1701 50:1924 51:242 52:1491 54:389 55:844 56:8 57:78 58:1722 59:1110 60:991 61:2368 62:2538 63:1968 64:5605 65:2329 66:4810 67:2960 68:1318 69:4148 70:1302 71:678 72:2994 74:2641 75:1475 76:593 77:2245 78:1817 79:3141 80:2049 81:1666 82:1527 83:1218 84:1406 85:2944 86:729 87:1913 88:1165 89:3425 90:544 91:7593 92:2071 93:2547 94:3531 95:3847 96:1347 97:347 98:1167 99:735 100:80 101:1295 102:2366 103:30202 104:4538 105:474 106:885 107:2535 108:893 109:4174 110:2006 111:3269 112:2047 113:1486 114:1514 115:1988 116:1891 117:2484 118:2324 119:1843 120:1706 121:1019 122:2535 123:2103 124:1522 125:2117 128:1185 129:965 130:962 131:2006 132:809 133:379 134:1903 135:288 136:869 137:887 138:2527 139:1516 140:1129 141:1477 142:1377 143:1405 144:1195 145:349 146:1856 147:1536 148:2233 149:1819 150:877 151:1117 152:1950 153:469 154:3737 155:1423 156:1643 157:1302 158:1040 159:2180 160:2565 161:1363 162:3511 163:1426 164:1668 165:1670 166:800 167:1727 168:3772 169:884 170:4532 171:847 172:3454 173:3104 174:1025 175:1156 176:3575 177:4748 178:3548 179:2104 180:2365 181:3273 182:3208 183:1941 184:2354 185:19839 186:4585 187:4000 188:4031 189:3472 190:8974 191:1449 192:10983 193:8721 194:7127 195:5044 196:3059 197:2466 198:5960 199:6035 200:7538 201:5840 202:10139 203:10019 204:4557 205:3494 206:3804 207:3381 208:4080 209:4751 210:4114 211:2326 212:4022 213:3553 214:1098 215:53 216:6458 217:2607 218:1271 219:404 220:1785 221:922 222:653 223:2007 End of report