IPv4 R&E Routing Table Report 23:05 GMT Wed 19 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: 896162 Prefixes after maximum aggregation (per Origin AS): 341067 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439859 Number of IPv4 prefixes with a valid ROA: 356157 Number of IPv4 prefixes with an invalid ROA: 1615 Number of IPv4 prefixes with no ROA: 538390 Total ASes present in the Internet Routing Table: 73560 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63209 Origin ASes announcing only one prefix: 25982 Transit ASes present in the Internet Routing Table: 10351 Transit-only ASes present in the Internet Routing Table: 411 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: 1091 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 40422 Number of 32-bit ASNs visible in the Routing Table: 33480 Prefixes from 32-bit ASNs in the Routing Table: 161294 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: 549 Number of addresses announced to Internet: 3063605248 Equivalent to 182 /8s, 154 /16s and 232 /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: 301156 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231941 Total APNIC prefixes after maximum aggregation: 67170 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226945 Unique aggregates announced from the APNIC address blocks: 96573 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: 3727 APNIC Region transit ASes present in the Internet Routing Table: 1746 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: 8248 Number of APNIC addresses announced to Internet: 773204224 Equivalent to 46 /8s, 22 /16s and 41 /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: 265205 Total ARIN prefixes after maximum aggregation: 120778 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266424 Unique aggregates announced from the ARIN address blocks: 128575 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1872 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: 4630 Number of ARIN addresses announced to Internet: 1289971456 Equivalent to 76 /8s, 227 /16s and 103 /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: 253198 Total RIPE prefixes after maximum aggregation: 118916 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250023 Unique aggregates announced from the RIPE address blocks: 153942 RIPE Region origin ASes present in the Internet Routing Table: 28134 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3988 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: 10833 Number of RIPE addresses announced to Internet: 716280064 Equivalent to 42 /8s, 177 /16s and 145 /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: 116006 Total LACNIC prefixes after maximum aggregation: 27811 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115544 Unique aggregates announced from the LACNIC address blocks: 48399 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2246 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8747 Number of LACNIC addresses announced to Internet: 175928576 Equivalent to 10 /8s, 124 /16s and 117 /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: 28721 Total AfriNIC prefixes after maximum aggregation: 5591 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36677 Unique aggregates announced from the AfriNIC address blocks: 11924 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 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: 107915008 Equivalent to 6 /8s, 110 /16s and 167 /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 5927 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2478 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 2142 425 219 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 7393 10583 2856 AMAZON-02, US 11492 4603 305 516 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3767 3066 347 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3533 1845 2537 AKAMAI-AS, US 6327 3497 1319 65 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 30036 2600 367 258 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2570 24150 1570 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 6907 1730 144 UNI2-AS, ES 20940 4097 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2614 251 1342 M247, RO 6849 2487 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 58224 1668 904 653 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 10605 3336 607 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2299 369 64 Instituto Costarricense de Electricidad 13999 2071 338 538 Mega Cable, S.A. de C.V., MX 28573 1349 2329 259 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 1089 181 466 Techtel LMDS Comunicaciones Interactiva 6147 1084 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 1563 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1350 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 612 1863 34 IAM-AS, MA 15399 526 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 10605 3336 607 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7393 10583 2856 AMAZON-02, US 12479 6907 1730 144 UNI2-AS, ES 7545 5927 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4603 305 516 CABLEONE, US 20940 4097 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 265 32 VIASAT-SP-BACKBONE, US 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 6907 6763 UNI2-AS, ES 7545 5927 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7393 4537 AMAZON-02, US 11492 4603 4087 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3979 3941 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4097 3925 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 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 /16:13473 /17:8294 /18:13834 /19:24810 /20:43020 /21:50696 /22:108068 /23:95955 /24:533684 /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 5916 6907 UNI2-AS, ES 8151 4614 10605 Uninet S.A. de C.V., MX 11492 3510 4603 CABLEONE, US 8551 3443 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3305 3497 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2782 3767 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2346 2487 UKRTELNET, UA 30036 2260 2600 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 2:1023 3:166 4:5 5:3943 6:116 7:6 8:1551 9:1 11:173 12:1622 13:347 14:2366 15:275 16:69 17:365 18:337 20:241 21:4 22:188 23:5944 24:2458 25:6 27:2714 29:19 31:2451 32:91 34:7 35:90 36:1894 37:4480 38:3640 39:755 40:159 41:3963 42:1168 43:2265 44:295 45:16199 46:4207 47:376 49:1701 50:1926 51:242 52:1499 54:393 55:839 56:8 57:79 58:1721 59:1108 60:992 61:2372 62:2525 63:1966 64:5600 65:2328 66:4815 67:2965 68:1317 69:4149 70:1299 71:677 72:2994 74:2643 75:1475 76:594 77:2243 78:1818 79:3150 80:2050 81:1674 82:1503 83:1218 84:1404 85:2946 86:729 87:1913 88:1166 89:3415 90:545 91:7586 92:2043 93:2549 94:3512 95:3848 96:1346 97:347 98:1169 99:739 100:69 101:1294 102:2359 103:30228 104:4514 105:474 106:889 107:2541 108:895 109:4310 110:2008 111:3269 112:2049 113:1486 114:1513 115:1988 116:1893 117:2483 118:2324 119:1842 120:1706 121:1019 122:2536 123:2103 124:1513 125:2118 128:1186 129:966 130:963 131:2013 132:784 133:379 134:1902 135:288 136:871 137:889 138:2526 139:1516 140:1132 141:1475 142:1377 143:1414 144:1201 145:349 146:1860 147:1531 148:2226 149:1829 150:874 151:1118 152:1951 153:469 154:3731 155:1421 156:1656 157:1302 158:1041 159:2179 160:2571 161:1366 162:3496 163:1432 164:1667 165:1672 166:802 167:1727 168:3775 169:890 170:4532 171:846 172:3445 173:3105 174:1025 175:1156 176:3577 177:4731 178:3547 179:2098 180:2367 181:3272 182:3207 183:1942 184:2352 185:19816 186:4544 187:3973 188:4028 189:3462 190:8968 191:1448 192:10958 193:8717 194:7117 195:5029 196:3066 197:2461 198:5929 199:6037 200:7526 201:5680 202:10137 203:10025 204:4550 205:3486 206:3803 207:3385 208:4087 209:4756 210:4118 211:2325 212:3995 213:3557 214:1100 215:53 216:6467 217:2617 218:1271 219:404 220:1785 221:922 222:653 223:1976 End of report