IPv4 R&E Routing Table Report 23:05 GMT Tue 31 May, 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: 883772 Prefixes after maximum aggregation (per Origin AS): 336072 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433037 Number of IPv4 prefixes with a valid ROA: 327644 Number of IPv4 prefixes with an invalid ROA: 1188 Number of IPv4 prefixes with no ROA: 554940 Total ASes present in the Internet Routing Table: 72998 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62686 Origin ASes announcing only one prefix: 25742 Transit ASes present in the Internet Routing Table: 10312 Transit-only ASes present in the Internet Routing Table: 381 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 887 Number of instances of unregistered ASNs: 891 Number of 32-bit ASNs allocated by the RIRs: 39500 Number of 32-bit ASNs visible in the Routing Table: 32702 Prefixes from 32-bit ASNs in the Routing Table: 154013 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: 505 Number of addresses announced to Internet: 3064812032 Equivalent to 182 /8s, 173 /16s and 82 /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: 297603 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228763 Total APNIC prefixes after maximum aggregation: 66111 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224003 Unique aggregates announced from the APNIC address blocks: 95039 APNIC Region origin ASes present in the Internet Routing Table: 12593 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 3608 APNIC Region transit ASes present in the Internet Routing Table: 1733 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7868 Number of APNIC addresses announced to Internet: 773289728 Equivalent to 46 /8s, 23 /16s and 119 /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: 261138 Total ARIN prefixes after maximum aggregation: 120037 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260973 Unique aggregates announced from the ARIN address blocks: 126157 ARIN Region origin ASes present in the Internet Routing Table: 18963 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4485 Number of ARIN addresses announced to Internet: 1293218816 Equivalent to 77 /8s, 20 /16s and 244 /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: 250266 Total RIPE prefixes after maximum aggregation: 116433 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247773 Unique aggregates announced from the RIPE address blocks: 151081 RIPE Region origin ASes present in the Internet Routing Table: 28092 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 11999 RIPE Region transit ASes present in the Internet Routing Table: 3996 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: 10700 Number of RIPE addresses announced to Internet: 713957376 Equivalent to 42 /8s, 142 /16s and 32 /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: 114667 Total LACNIC prefixes after maximum aggregation: 27369 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114491 Unique aggregates announced from the LACNIC address blocks: 48652 LACNIC Region origin ASes present in the Internet Routing Table: 10960 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2217 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8676 Number of LACNIC addresses announced to Internet: 176372480 Equivalent to 10 /8s, 131 /16s and 59 /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: 28051 Total AfriNIC prefixes after maximum aggregation: 5462 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36027 Unique aggregates announced from the AfriNIC address blocks: 11692 AfriNIC Region origin ASes present in the Internet Routing Table: 1645 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 572 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 973 Number of AfriNIC addresses announced to Internet: 107686144 Equivalent to 6 /8s, 107 /16s and 41 /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 9200 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5927 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 424 213 TATACOMM-AS TATA Communications formerl 24560 2056 853 384 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 6497 10361 2823 AMAZON-02, US 11492 4516 299 658 CABLEONE, US 22773 3913 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3526 1815 2523 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2866 50792 2124 DNIC-AS-00749, US 30036 2619 373 188 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2440 4961 416 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 492 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 6806 1730 150 UNI2-AS, ES 8551 3985 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3961 3360 193 AKAMAI-ASN1, NL 39891 3824 222 38 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2873 355 21 UKRTELNET, UA 9009 2474 246 1279 M247, GB 34984 2241 357 630 TELLCOM-AS, TR 58224 1844 938 616 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 10666 3402 557 Uninet S.A. de C.V., MX 10620 3485 519 731 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1837 303 473 Mega Cable, S.A. de C.V., MX 6503 1447 355 527 Axtel, S.A.B. de C.V., MX 28573 1367 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 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 1656 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 957 65 64 ORANGE-COTE-IVOIRE, CI 36935 775 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 513 51 34 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 10666 3402 557 Uninet S.A. de C.V., MX 9808 9200 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6806 1730 150 UNI2-AS, ES 16509 6497 10361 2823 AMAZON-02, US 7545 5927 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 658 CABLEONE, US 8551 3985 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3961 3360 193 AKAMAI-ASN1, NL 22773 3913 3070 362 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 9200 9165 CHINAMOBILE-CN China Mobile Communications Grou 12479 6806 6656 UNI2-AS, ES 7545 5927 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3985 3946 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3858 CABLEONE, US 39891 3824 3786 ALJAWWALSTC-AS, SA 20940 3961 3768 AKAMAI-ASN1, NL 16509 6497 3674 AMAZON-02, US 22773 3913 3551 ASN-CXA-ALL-CCI-22773-RDC, US 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 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 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, US 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 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 /12:301 /13:587 /14:1199 /15:2088 /16:13483 /17:8228 /18:13746 /19:24802 /20:42636 /21:50720 /22:107059 /23:94686 /24:524063 /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 5782 6806 UNI2-AS, ES 8151 4386 10666 Uninet S.A. de C.V., MX 8551 3451 3985 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3136 3824 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2916 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2729 2873 UKRTELNET, UA 30036 2277 2619 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 2:1018 3:156 4:6 5:4069 6:104 7:5 8:1527 9:1 11:172 12:1703 13:291 14:2373 15:201 16:41 17:383 18:163 20:212 21:4 22:188 23:5647 24:2311 25:6 27:2603 29:19 31:2442 32:92 34:4 35:82 36:1800 37:4453 38:2905 39:707 40:152 41:3969 42:1113 43:2173 44:292 45:16045 46:4134 47:297 49:1674 50:2166 51:108 52:1434 54:373 55:751 56:8 57:59 58:1688 59:1110 60:955 61:2254 62:2527 63:1936 64:5510 65:2331 66:4824 67:2972 68:1192 69:4166 70:1330 71:684 72:3056 74:2637 75:1393 76:586 77:2177 78:1846 79:3117 80:1998 81:1610 82:1506 83:1204 84:1335 85:2925 86:711 87:1966 88:1124 89:3307 90:530 91:7597 92:2012 93:2570 94:3490 95:3885 96:1309 97:349 98:1000 99:736 100:77 101:1273 102:2107 103:29069 104:4426 105:458 106:875 107:2524 108:832 109:4259 110:2016 111:3258 112:2034 113:1473 114:1478 115:1960 116:1894 117:2507 118:2328 119:1854 120:1670 121:1021 122:2511 123:2084 124:1529 125:2060 128:1194 129:1079 130:968 131:2044 132:793 133:378 134:1899 135:291 136:881 137:861 138:2427 139:1508 140:857 141:1411 142:1285 143:1436 144:1211 145:347 146:1803 147:1463 148:2219 149:1726 150:847 151:1078 152:1846 153:460 154:3449 155:1425 156:1749 157:1245 158:1046 159:2209 160:2534 161:1277 162:3458 163:1274 164:1648 165:1614 166:719 167:1735 168:3759 169:840 170:4458 171:830 172:3189 173:3108 174:1024 175:1133 176:3593 177:4671 178:3543 179:2044 180:2325 181:2981 182:3202 183:1954 184:2371 185:19508 186:4258 187:3799 188:3875 189:3280 190:8861 191:1294 192:10994 193:8605 194:7011 195:4935 196:2982 197:2380 198:5942 199:6014 200:7481 201:5702 202:10101 203:9992 204:4535 205:3419 206:3684 207:3328 208:3999 209:4641 210:4124 211:2343 212:4004 213:3416 214:1153 215:67 216:6457 217:2676 218:1269 219:407 220:1675 221:967 222:652 223:2124 End of report