IPv4 R&E Routing Table Report 23:05 GMT Thu 09 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: 884376 Prefixes after maximum aggregation (per Origin AS): 336362 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433875 Number of IPv4 prefixes with a valid ROA: 329558 Number of IPv4 prefixes with an invalid ROA: 1259 Number of IPv4 prefixes with no ROA: 553559 Total ASes present in the Internet Routing Table: 73028 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62710 Origin ASes announcing only one prefix: 25781 Transit ASes present in the Internet Routing Table: 10318 Transit-only ASes present in the Internet Routing Table: 378 Paths with bogon ASNs present in the IPv4 Routing Table: 40 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 898 Number of instances of unregistered ASNs: 902 Number of 32-bit ASNs allocated by the RIRs: 39557 Number of 32-bit ASNs visible in the Routing Table: 32748 Prefixes from 32-bit ASNs in the Routing Table: 154296 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3063752960 Equivalent to 182 /8s, 157 /16s and 41 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 297498 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228782 Total APNIC prefixes after maximum aggregation: 66165 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224212 Unique aggregates announced from the APNIC address blocks: 95280 APNIC Region origin ASes present in the Internet Routing Table: 12614 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3603 APNIC Region transit ASes present in the Internet Routing Table: 1740 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: 7895 Number of APNIC addresses announced to Internet: 773067520 Equivalent to 46 /8s, 20 /16s and 19 /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: 261958 Total ARIN prefixes after maximum aggregation: 120144 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261763 Unique aggregates announced from the ARIN address blocks: 126698 ARIN Region origin ASes present in the Internet Routing Table: 18955 ARIN Prefixes per ASN: 13.81 ARIN Region origin ASes announcing only one prefix: 6904 ARIN Region transit ASes present in the Internet Routing Table: 1866 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: 4503 Number of ARIN addresses announced to Internet: 1293012224 Equivalent to 77 /8s, 17 /16s and 205 /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: 250130 Total RIPE prefixes after maximum aggregation: 116511 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247647 Unique aggregates announced from the RIPE address blocks: 151268 RIPE Region origin ASes present in the Internet Routing Table: 28102 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3989 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10697 Number of RIPE addresses announced to Internet: 713552896 Equivalent to 42 /8s, 135 /16s and 244 /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: 114757 Total LACNIC prefixes after maximum aggregation: 27415 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114531 Unique aggregates announced from the LACNIC address blocks: 48696 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2227 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: 8683 Number of LACNIC addresses announced to Internet: 176309248 Equivalent to 10 /8s, 130 /16s and 68 /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: 27851 Total AfriNIC prefixes after maximum aggregation: 5436 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 35730 Unique aggregates announced from the AfriNIC address blocks: 11517 AfriNIC Region origin ASes present in the Internet Routing Table: 1638 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 970 Number of AfriNIC addresses announced to Internet: 107520512 Equivalent to 6 /8s, 104 /16s and 162 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5917 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3490 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 216 TATACOMM-AS TATA Communications formerl 24560 2065 851 382 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 6628 10371 2705 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 22773 3909 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3456 1801 2512 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2963 50742 2219 DNIC-AS-00749, US 30036 2620 374 196 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2436 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3053 490 CHARTER-20115, 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 6827 1730 143 UNI2-AS, ES 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3951 3360 193 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2478 246 1280 M247, GB 34984 2245 357 633 TELLCOM-AS, TR 58224 1844 938 623 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 10696 3401 553 Uninet S.A. de C.V., MX 10620 3487 519 736 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1857 306 482 Mega Cable, S.A. de C.V., MX 6503 1442 355 527 Axtel, S.A.B. de C.V., MX 28573 1368 2333 253 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 441 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX 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 1603 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 458 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 10696 3401 553 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6827 1730 143 UNI2-AS, ES 16509 6628 10371 2705 AMAZON-02, US 7545 5917 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3951 3360 193 AKAMAI-ASN1, NL 22773 3909 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 12479 6827 6684 UNI2-AS, ES 7545 5917 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6628 3923 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3951 3758 AKAMAI-ASN1, NL 7552 3578 3559 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 /11:99 /12:300 /13:588 /14:1198 /15:2089 /16:13478 /17:8231 /18:13713 /19:24747 /20:42809 /21:50815 /22:107163 /23:94899 /24:524172 /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 5805 6827 UNI2-AS, ES 8151 4418 10696 Uninet S.A. de C.V., MX 8551 3465 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2910 3909 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2276 2620 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1922 2:1022 3:157 4:6 5:3800 6:108 7:5 8:1534 9:1 11:172 12:1681 13:332 14:2358 15:209 16:42 17:385 18:170 20:213 21:4 22:188 23:5654 24:2340 25:6 27:2615 29:19 31:2442 32:92 34:3 35:87 36:1800 37:4461 38:2991 39:709 40:152 41:3905 42:1119 43:2193 44:291 45:15801 46:4133 47:298 49:1670 50:2162 51:108 52:1443 54:381 55:758 56:8 57:59 58:1693 59:1110 60:960 61:2258 62:2483 63:1932 64:5524 65:2335 66:4814 67:2976 68:1192 69:4167 70:1328 71:682 72:3051 74:2654 75:1392 76:577 77:2184 78:1845 79:3126 80:1993 81:1611 82:1491 83:1207 84:1318 85:2924 86:711 87:1942 88:1135 89:3331 90:534 91:7591 92:2011 93:2550 94:3464 95:3861 96:1310 97:349 98:1003 99:755 100:77 101:1271 102:2124 103:29141 104:4455 105:467 106:861 107:2532 108:839 109:4259 110:1975 111:3260 112:2035 113:1472 114:1474 115:1964 116:1889 117:2513 118:2329 119:1861 120:1668 121:1021 122:2510 123:2081 124:1539 125:2056 128:1188 129:1069 130:972 131:2026 132:801 133:378 134:1921 135:294 136:880 137:857 138:2416 139:1515 140:883 141:1418 142:1285 143:1447 144:1202 145:349 146:1806 147:1496 148:2214 149:1727 150:854 151:1076 152:1845 153:460 154:3549 155:1431 156:1722 157:1236 158:1047 159:2203 160:2534 161:1276 162:3462 163:1272 164:1619 165:1616 166:717 167:1742 168:3761 169:850 170:4475 171:828 172:3208 173:3115 174:1017 175:1141 176:3591 177:4598 178:3545 179:2080 180:2322 181:2976 182:3200 183:1949 184:2365 185:19536 186:4249 187:3791 188:3921 189:3303 190:8873 191:1307 192:10980 193:8622 194:7016 195:4931 196:3023 197:2370 198:5937 199:6030 200:7474 201:5819 202:10094 203:9985 204:4532 205:3433 206:3674 207:3340 208:4011 209:4672 210:4148 211:2331 212:4007 213:3408 214:1148 215:66 216:6464 217:2668 218:1273 219:407 220:1673 221:1007 222:652 223:2115 End of report