IPv4 R&E Routing Table Report 23:05 GMT Tue 21 Jun, 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: 885529 Prefixes after maximum aggregation (per Origin AS): 336753 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434236 Number of IPv4 prefixes with a valid ROA: 331227 Number of IPv4 prefixes with an invalid ROA: 1191 Number of IPv4 prefixes with no ROA: 553111 Total ASes present in the Internet Routing Table: 73065 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62741 Origin ASes announcing only one prefix: 25788 Transit ASes present in the Internet Routing Table: 10324 Transit-only ASes present in the Internet Routing Table: 378 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 881 Number of instances of unregistered ASNs: 884 Number of 32-bit ASNs allocated by the RIRs: 39630 Number of 32-bit ASNs visible in the Routing Table: 32793 Prefixes from 32-bit ASNs in the Routing Table: 155318 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3067972352 Equivalent to 182 /8s, 221 /16s and 139 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297558 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229108 Total APNIC prefixes after maximum aggregation: 66259 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224341 Unique aggregates announced from the APNIC address blocks: 95396 APNIC Region origin ASes present in the Internet Routing Table: 12640 APNIC Prefixes per ASN: 17.75 APNIC Region origin ASes announcing only one prefix: 3621 APNIC Region transit ASes present in the Internet Routing Table: 1730 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7919 Number of APNIC addresses announced to Internet: 772966144 Equivalent to 46 /8s, 18 /16s and 135 /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: 262080 Total ARIN prefixes after maximum aggregation: 120073 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262179 Unique aggregates announced from the ARIN address blocks: 126795 ARIN Region origin ASes present in the Internet Routing Table: 18952 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6896 ARIN Region transit ASes present in the Internet Routing Table: 1864 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4509 Number of ARIN addresses announced to Internet: 1297135360 Equivalent to 77 /8s, 80 /16s and 183 /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: 250349 Total RIPE prefixes after maximum aggregation: 116748 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247691 Unique aggregates announced from the RIPE address blocks: 151309 RIPE Region origin ASes present in the Internet Routing Table: 28112 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10705 Number of RIPE addresses announced to Internet: 713685248 Equivalent to 42 /8s, 137 /16s and 249 /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: 115148 Total LACNIC prefixes after maximum aggregation: 27479 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114950 Unique aggregates announced from the LACNIC address blocks: 48715 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2225 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: 8685 Number of LACNIC addresses announced to Internet: 176289280 Equivalent to 10 /8s, 129 /16s and 246 /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: 27963 Total AfriNIC prefixes after maximum aggregation: 5517 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35875 Unique aggregates announced from the AfriNIC address blocks: 11603 AfriNIC Region origin ASes present in the Internet Routing Table: 1650 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 569 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 975 Number of AfriNIC addresses announced to Internet: 107613952 Equivalent to 6 /8s, 106 /16s and 15 /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 9231 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2421 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 24560 2086 851 393 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6613 10371 2676 AMAZON-02, US 11492 4531 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3888 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3432 1784 2504 AKAMAI-AS, US 6327 3431 1319 63 SHAW, CA 749 2993 50740 2251 DNIC-AS-00749, US 30036 2625 374 161 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2476 3342 353 GOOGLE-CLOUD-PLATFORM, US 209 2434 4960 415 CENTURYLINK-US-LEGACY-QWEST, 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 6867 1730 144 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3963 3360 194 AKAMAI-ASN1, NL 12389 2897 2273 907 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2508 248 1299 M247, GB 34984 2240 355 630 TELLCOM-AS, TR 58224 1804 934 592 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 10741 3401 551 Uninet S.A. de C.V., MX 10620 3492 519 740 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1876 307 491 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1364 351 536 Axtel, S.A.B. de C.V., MX 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1030 192 439 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1584 393 19 LINKdotNET-AS, EG 24835 1540 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 775 520 40 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 16 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 10741 3401 551 Uninet S.A. de C.V., MX 9808 9231 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6867 1730 144 UNI2-AS, ES 16509 6613 10371 2676 AMAZON-02, US 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3963 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 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 9231 9196 CHINAMOBILE-CN China Mobile Communications Grou 12479 6867 6723 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6613 3937 AMAZON-02, US 11492 4531 3879 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3963 3769 AKAMAI-ASN1, NL 7552 3576 3557 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /9:13 /10:40 /11:100 /12:301 /13:590 /14:1198 /15:2093 /16:13511 /17:8268 /18:13732 /19:24746 /20:43044 /21:50854 /22:107307 /23:95011 /24:524699 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5846 6867 UNI2-AS, ES 8151 4464 10741 Uninet S.A. de C.V., MX 8551 3474 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3434 4531 CABLEONE, US 6327 3241 3431 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2903 3888 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2282 2625 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1923 2:1021 3:157 4:5 5:3793 6:109 7:6 8:1538 9:1 11:172 12:1646 13:335 14:2327 15:211 16:44 17:385 18:173 20:213 21:4 22:188 23:5676 24:2358 25:6 27:2617 29:19 31:2443 32:92 34:5 35:87 36:1832 37:4419 38:3065 39:713 40:153 41:3886 42:1120 43:2195 44:287 45:15835 46:4074 47:294 49:1677 50:2168 51:236 52:1444 54:379 55:806 56:8 57:58 58:1705 59:1112 60:961 61:2260 62:2494 63:1928 64:5523 65:2333 66:4828 67:2966 68:1194 69:4162 70:1324 71:680 72:3026 74:2643 75:1392 76:575 77:2215 78:1847 79:3120 80:2000 81:1604 82:1490 83:1209 84:1310 85:2925 86:708 87:1913 88:1147 89:3315 90:539 91:7606 92:2004 93:2536 94:3427 95:3836 96:1310 97:350 98:1004 99:748 100:77 101:1271 102:2134 103:29218 104:4466 105:467 106:875 107:2537 108:836 109:4224 110:1974 111:3273 112:2037 113:1469 114:1471 115:1968 116:1887 117:2527 118:2301 119:1844 120:1668 121:1021 122:2507 123:2084 124:1540 125:2043 128:1176 129:1056 130:970 131:2033 132:799 133:378 134:1921 135:279 136:877 137:857 138:2433 139:1524 140:891 141:1446 142:1288 143:1444 144:1206 145:349 146:1809 147:1508 148:2205 149:1746 150:861 151:1073 152:1830 153:460 154:3587 155:1439 156:1726 157:1243 158:1047 159:2214 160:2551 161:1271 162:3455 163:1276 164:1627 165:1621 166:715 167:1746 168:3797 169:870 170:4450 171:830 172:3219 173:3121 174:1019 175:1148 176:3566 177:4666 178:3527 179:2119 180:2329 181:2984 182:3202 183:1954 184:2362 185:19529 186:4288 187:3789 188:3917 189:3350 190:8913 191:1377 192:10989 193:8608 194:7025 195:4935 196:2967 197:2393 198:5933 199:6012 200:7493 201:5828 202:10095 203:9980 204:4532 205:3457 206:3677 207:3343 208:4002 209:4654 210:4156 211:2322 212:4000 213:3397 214:1137 215:66 216:6464 217:2650 218:1269 219:407 220:1678 221:1006 222:652 223:2118 End of report