IPv4 R&E Routing Table Report 23:05 GMT Sun 10 Apr, 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: 879468 Prefixes after maximum aggregation (per Origin AS): 334094 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 429150 Number of IPv4 prefixes with a valid ROA: 314164 Number of IPv4 prefixes with an invalid ROA: 1144 Number of IPv4 prefixes with no ROA: 564160 Total ASes present in the Internet Routing Table: 72716 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62414 Origin ASes announcing only one prefix: 25676 Transit ASes present in the Internet Routing Table: 10302 Transit-only ASes present in the Internet Routing Table: 371 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 65 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 798 Number of instances of unregistered ASNs: 803 Number of 32-bit ASNs allocated by the RIRs: 39064 Number of 32-bit ASNs visible in the Routing Table: 32372 Prefixes from 32-bit ASNs in the Routing Table: 152113 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 3066104064 Equivalent to 182 /8s, 193 /16s and 9 /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: 99.5 Total number of prefixes smaller than registry allocations: 295553 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228540 Total APNIC prefixes after maximum aggregation: 65667 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 223418 Unique aggregates announced from the APNIC address blocks: 94142 APNIC Region origin ASes present in the Internet Routing Table: 12439 APNIC Prefixes per ASN: 17.96 APNIC Region origin ASes announcing only one prefix: 3526 APNIC Region transit ASes present in the Internet Routing Table: 1704 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7702 Number of APNIC addresses announced to Internet: 773128960 Equivalent to 46 /8s, 21 /16s and 3 /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: 259315 Total ARIN prefixes after maximum aggregation: 119258 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 259413 Unique aggregates announced from the ARIN address blocks: 124152 ARIN Region origin ASes present in the Internet Routing Table: 18918 ARIN Prefixes per ASN: 13.71 ARIN Region origin ASes announcing only one prefix: 6886 ARIN Region transit ASes present in the Internet Routing Table: 1883 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: 4411 Number of ARIN addresses announced to Internet: 1295072768 Equivalent to 77 /8s, 49 /16s and 62 /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: 248728 Total RIPE prefixes after maximum aggregation: 115752 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246108 Unique aggregates announced from the RIPE address blocks: 150591 RIPE Region origin ASes present in the Internet Routing Table: 28075 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 4001 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: 10669 Number of RIPE addresses announced to Internet: 713967616 Equivalent to 42 /8s, 142 /16s and 72 /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: 114316 Total LACNIC prefixes after maximum aggregation: 27343 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114218 Unique aggregates announced from the LACNIC address blocks: 48220 LACNIC Region origin ASes present in the Internet Routing Table: 10942 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2222 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8641 Number of LACNIC addresses announced to Internet: 176321280 Equivalent to 10 /8s, 130 /16s and 115 /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: 27771 Total AfriNIC prefixes after maximum aggregation: 5448 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35862 Unique aggregates announced from the AfriNIC address blocks: 11655 AfriNIC Region origin ASes present in the Internet Routing Table: 1617 AfriNIC Prefixes per ASN: 22.18 AfriNIC Region origin ASes announcing only one prefix: 564 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 949 Number of AfriNIC addresses announced to Internet: 107359744 Equivalent to 6 /8s, 102 /16s and 46 /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 9146 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5904 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2392 491 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2254 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2126 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2114 429 197 TATACOMM-AS TATA Communications formerl 24560 2046 855 372 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 6151 10259 2686 AMAZON-02, US 11492 4470 296 694 CABLEONE, US 22773 3926 3055 358 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3642 1875 2563 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2609 372 138 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4962 424 CENTURYLINK-US-LEGACY-QWEST, US 20115 2255 3042 495 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 6808 1730 149 UNI2-AS, ES 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3923 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2906 2274 907 ROSTELECOM-AS, RU 6849 2783 355 21 UKRTELNET, UA 9009 2475 247 1284 M247, GB 34984 2223 356 624 TELLCOM-AS, TR 58224 1809 931 603 TCI, IR 13188 1607 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 10538 3391 559 Uninet S.A. de C.V., MX 10620 3461 517 759 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1735 294 472 Mega Cable, S.A. de C.V., MX 6503 1451 355 524 Axtel, S.A.B. de C.V., MX 28573 1383 2333 253 CLARO S.A., BR 3816 1254 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 21 Telefonica del Peru S.A.A., PE 11664 1007 192 448 Techtel LMDS Comunicaciones Interactiva 18881 938 1116 31 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 1629 393 21 LINKdotNET-AS, EG 24835 1473 523 33 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 902 65 58 ORANGE-COTE-IVOIRE, CI 36935 771 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 51 34 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 421 232 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 10538 3391 559 Uninet S.A. de C.V., MX 9808 9146 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6808 1730 149 UNI2-AS, ES 16509 6151 10259 2686 AMAZON-02, US 7545 5904 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4470 296 694 CABLEONE, US 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3926 3055 358 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3923 3360 192 AKAMAI-ASN1, NL 7155 3900 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 9146 9105 CHINAMOBILE-CN China Mobile Communications Grou 12479 6808 6659 UNI2-AS, ES 7545 5904 5205 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4470 3776 CABLEONE, US 20940 3923 3731 AKAMAI-ASN1, NL 7552 3590 3571 VIETEL-AS-AP Viettel Group, VN 22773 3926 3568 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 32306 UNALLOCATED 8.46.80.0/24 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:303 /13:586 /14:1196 /15:2086 /16:13489 /17:8161 /18:13735 /19:24838 /20:42347 /21:50809 /22:106971 /23:94024 /24:520747 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5791 6808 UNI2-AS, ES 8151 4197 10538 Uninet S.A. de C.V., MX 8551 3476 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3376 4470 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2932 3926 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2641 2783 UKRTELNET, UA 30036 2265 2609 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1908 2:1035 3:154 4:7 5:3808 6:103 7:5 8:1521 9:1 11:172 12:1713 13:279 14:2376 15:191 16:45 17:381 18:148 20:194 21:4 22:188 23:5585 24:2275 25:4 27:2601 29:19 31:2446 32:93 34:1 35:72 36:1779 37:4419 38:2732 39:719 40:151 41:3924 42:1087 43:2154 44:291 45:15994 46:4121 47:319 49:1659 50:1923 51:99 52:1409 53:1 54:362 55:705 56:8 57:59 58:1686 59:1114 60:955 61:2259 62:2482 63:1951 64:5503 65:2300 66:4806 67:2971 68:1180 69:4128 70:1339 71:657 72:3055 74:2661 75:1388 76:583 77:2152 78:1844 79:3114 80:1981 81:1583 82:1483 83:1195 84:1350 85:2899 86:712 87:1959 88:1092 89:3277 90:524 91:7597 92:1986 93:2586 94:3448 95:3860 96:1305 97:348 98:986 99:739 100:74 101:1277 102:2042 103:28762 104:4382 105:466 106:851 107:2540 108:820 109:4216 110:2059 111:3251 112:2029 113:1455 114:1475 115:1948 116:1872 117:2516 118:2329 119:1884 120:1668 121:1012 122:2524 123:2094 124:1535 125:2047 128:1155 129:1212 130:911 131:2064 132:789 133:373 134:1919 135:289 136:864 137:873 138:2435 139:1491 140:854 141:1387 142:1290 143:1469 144:1236 145:343 146:1793 147:1486 148:2219 149:1692 150:852 151:1082 152:1831 153:459 154:3486 155:1434 156:1762 157:1239 158:1028 159:2086 160:2475 161:1320 162:3435 163:1237 164:1623 165:1615 166:698 167:1739 168:3712 169:702 170:4445 171:824 172:3120 173:3073 174:1017 175:1144 176:3441 177:4593 178:3455 179:2015 180:2313 181:2928 182:3192 183:1952 184:2386 185:19498 186:4381 187:3636 188:3863 189:3150 190:8889 191:1321 192:10968 193:8557 194:6922 195:4952 196:2964 197:2403 198:5971 199:6002 200:7383 201:5673 202:10176 203:9983 204:4541 205:3380 206:3696 207:3348 208:4034 209:4644 210:4046 211:2334 212:3973 213:3420 214:1154 215:67 216:6410 217:2663 218:1239 219:406 220:1671 221:978 222:671 223:2113 End of report