IPv4 R&E Routing Table Report 23:05 GMT Mon 20 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: 885652 Prefixes after maximum aggregation (per Origin AS): 336718 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434218 Number of IPv4 prefixes with a valid ROA: 331220 Number of IPv4 prefixes with an invalid ROA: 1299 Number of IPv4 prefixes with no ROA: 553133 Total ASes present in the Internet Routing Table: 73061 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62746 Origin ASes announcing only one prefix: 25792 Transit ASes present in the Internet Routing Table: 10315 Transit-only ASes present in the Internet Routing Table: 377 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 873 Number of instances of unregistered ASNs: 876 Number of 32-bit ASNs allocated by the RIRs: 39624 Number of 32-bit ASNs visible in the Routing Table: 32785 Prefixes from 32-bit ASNs in the Routing Table: 155311 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: 486 Number of addresses announced to Internet: 3067914240 Equivalent to 182 /8s, 220 /16s and 168 /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: 297863 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228955 Total APNIC prefixes after maximum aggregation: 66230 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224225 Unique aggregates announced from the APNIC address blocks: 95336 APNIC Region origin ASes present in the Internet Routing Table: 12628 APNIC Prefixes per ASN: 17.76 APNIC Region origin ASes announcing only one prefix: 3614 APNIC Region transit ASes present in the Internet Routing Table: 1735 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: 7909 Number of APNIC addresses announced to Internet: 772932608 Equivalent to 46 /8s, 18 /16s and 4 /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: 261989 Total ARIN prefixes after maximum aggregation: 120065 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262127 Unique aggregates announced from the ARIN address blocks: 126723 ARIN Region origin ASes present in the Internet Routing Table: 18963 ARIN Prefixes per ASN: 13.82 ARIN Region origin ASes announcing only one prefix: 6906 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: 4510 Number of ARIN addresses announced to Internet: 1297092096 Equivalent to 77 /8s, 80 /16s and 14 /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: 250756 Total RIPE prefixes after maximum aggregation: 116744 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247992 Unique aggregates announced from the RIPE address blocks: 151432 RIPE Region origin ASes present in the Internet Routing Table: 28117 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10709 Number of RIPE addresses announced to Internet: 713668096 Equivalent to 42 /8s, 137 /16s and 182 /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: 115120 Total LACNIC prefixes after maximum aggregation: 27495 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114901 Unique aggregates announced from the LACNIC address blocks: 48714 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2222 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: 8681 Number of LACNIC addresses announced to Internet: 176350464 Equivalent to 10 /8s, 130 /16s and 229 /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: 27959 Total AfriNIC prefixes after maximum aggregation: 5512 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35921 Unique aggregates announced from the AfriNIC address blocks: 11602 AfriNIC Region origin ASes present in the Internet Routing Table: 1651 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 571 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 976 Number of AfriNIC addresses announced to Internet: 107590400 Equivalent to 6 /8s, 105 /16s and 179 /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 5919 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 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2418 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 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2084 851 395 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 6617 10371 2717 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 6327 3437 1319 63 SHAW, CA 16625 3436 1788 2504 AKAMAI-AS, US 749 2964 50743 2220 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US 209 2433 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 6868 1730 143 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3954 3360 194 AKAMAI-ASN1, NL 12389 2889 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2510 248 1301 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1823 936 609 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 10702 3402 559 Uninet S.A. de C.V., MX 10620 3490 519 740 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1874 306 489 Mega Cable, S.A. de C.V., MX 6503 1369 351 536 Axtel, S.A.B. de C.V., MX 28573 1369 2332 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 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 1591 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 610 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 451 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 10702 3402 559 Uninet S.A. de C.V., MX 9808 9231 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 143 UNI2-AS, ES 16509 6617 10371 2717 AMAZON-02, US 7545 5919 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3954 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 6868 6725 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6617 3900 AMAZON-02, US 11492 4531 3879 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3954 3760 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 /13:589 /14:1198 /15:2090 /16:13477 /17:8264 /18:13719 /19:24743 /20:43034 /21:50857 /22:107335 /23:95018 /24:524852 /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 5847 6868 UNI2-AS, ES 8151 4428 10702 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3434 4531 CABLEONE, US 6327 3247 3437 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 2730 2874 UKRTELNET, UA 30036 2281 2624 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1017 3:157 4:6 5:3791 6:108 7:6 8:1538 9:1 11:172 12:1648 13:330 14:2328 15:211 16:42 17:385 18:174 20:212 21:4 22:188 23:5665 24:2361 25:6 27:2616 29:19 31:2444 32:92 34:5 35:87 36:1831 37:4453 38:3065 39:712 40:153 41:3879 42:1120 43:2190 44:289 45:15824 46:4148 47:295 49:1678 50:2169 51:236 52:1437 54:378 55:801 56:8 57:59 58:1706 59:1110 60:961 61:2265 62:2496 63:1934 64:5520 65:2334 66:4838 67:2967 68:1196 69:4148 70:1324 71:680 72:3044 74:2633 75:1393 76:576 77:2216 78:1847 79:3124 80:1999 81:1603 82:1491 83:1210 84:1315 85:2925 86:710 87:1916 88:1147 89:3329 90:539 91:7622 92:2015 93:2547 94:3440 95:3859 96:1308 97:350 98:1003 99:747 100:77 101:1272 102:2139 103:29184 104:4467 105:466 106:873 107:2530 108:837 109:4265 110:1977 111:3269 112:2036 113:1470 114:1471 115:1969 116:1887 117:2527 118:2301 119:1847 120:1669 121:1019 122:2511 123:2082 124:1540 125:2041 128:1180 129:1059 130:973 131:2029 132:806 133:378 134:1928 135:279 136:876 137:860 138:2422 139:1527 140:886 141:1434 142:1283 143:1434 144:1208 145:350 146:1806 147:1506 148:2206 149:1740 150:858 151:1074 152:1835 153:460 154:3551 155:1435 156:1724 157:1243 158:1048 159:2214 160:2541 161:1271 162:3450 163:1273 164:1623 165:1620 166:715 167:1746 168:3788 169:870 170:4433 171:831 172:3215 173:3119 174:1019 175:1147 176:3557 177:4652 178:3543 179:2119 180:2329 181:2983 182:3201 183:1954 184:2361 185:19556 186:4320 187:3795 188:3921 189:3353 190:8908 191:1363 192:10994 193:8612 194:7024 195:4939 196:3043 197:2379 198:5936 199:6014 200:7471 201:5805 202:10097 203:9973 204:4534 205:3442 206:3682 207:3344 208:4004 209:4655 210:4156 211:2321 212:4004 213:3403 214:1139 215:66 216:6463 217:2666 218:1261 219:407 220:1678 221:1006 222:652 223:2119 End of report