IPv4 R&E Routing Table Report 23:05 GMT Thu 05 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: 881440 Prefixes after maximum aggregation (per Origin AS): 335050 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 430341 Number of IPv4 prefixes with a valid ROA: 321926 Number of IPv4 prefixes with an invalid ROA: 1096 Number of IPv4 prefixes with no ROA: 558418 Total ASes present in the Internet Routing Table: 72914 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62617 Origin ASes announcing only one prefix: 25709 Transit ASes present in the Internet Routing Table: 10297 Transit-only ASes present in the Internet Routing Table: 367 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 865 Number of instances of unregistered ASNs: 870 Number of 32-bit ASNs allocated by the RIRs: 39293 Number of 32-bit ASNs visible in the Routing Table: 32571 Prefixes from 32-bit ASNs in the Routing Table: 153431 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: 482 Number of addresses announced to Internet: 3066659072 Equivalent to 182 /8s, 201 /16s and 129 /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: 296379 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228886 Total APNIC prefixes after maximum aggregation: 66022 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 223806 Unique aggregates announced from the APNIC address blocks: 94734 APNIC Region origin ASes present in the Internet Routing Table: 12525 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 3547 APNIC Region transit ASes present in the Internet Routing Table: 1711 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7790 Number of APNIC addresses announced to Internet: 773317376 Equivalent to 46 /8s, 23 /16s and 227 /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: 260208 Total ARIN prefixes after maximum aggregation: 119480 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260327 Unique aggregates announced from the ARIN address blocks: 124750 ARIN Region origin ASes present in the Internet Routing Table: 18947 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6905 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4464 Number of ARIN addresses announced to Internet: 1295434496 Equivalent to 77 /8s, 54 /16s and 195 /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: 249203 Total RIPE prefixes after maximum aggregation: 116062 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246601 Unique aggregates announced from the RIPE address blocks: 150376 RIPE Region origin ASes present in the Internet Routing Table: 28123 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 4006 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: 10705 Number of RIPE addresses announced to Internet: 713913088 Equivalent to 42 /8s, 141 /16s and 115 /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: 114509 Total LACNIC prefixes after maximum aggregation: 27381 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114378 Unique aggregates announced from the LACNIC address blocks: 48519 LACNIC Region origin ASes present in the Internet Routing Table: 10958 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2209 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8654 Number of LACNIC addresses announced to Internet: 176388096 Equivalent to 10 /8s, 131 /16s and 120 /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: 27769 Total AfriNIC prefixes after maximum aggregation: 5444 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35846 Unique aggregates announced from the AfriNIC address blocks: 11544 AfriNIC Region origin ASes present in the Internet Routing Table: 1627 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 958 Number of AfriNIC addresses announced to Internet: 107333888 Equivalent to 6 /8s, 101 /16s and 201 /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 9134 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3431 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2402 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 202 TATACOMM-AS TATA Communications formerl 24560 2053 855 379 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 6337 10279 2731 AMAZON-02, US 11492 4476 297 694 CABLEONE, US 22773 3931 3070 354 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3602 1842 2543 AKAMAI-AS, US 6327 3436 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2623 374 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 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 6772 1730 150 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3929 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 908 ROSTELECOM-AS, RU 9009 2492 250 1297 M247, GB 34984 2239 358 633 TELLCOM-AS, TR 58224 1815 931 614 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 10491 3390 576 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1772 297 476 Mega Cable, S.A. de C.V., MX 6503 1453 355 526 Axtel, S.A.B. de C.V., MX 28573 1389 2333 253 CLARO S.A., BR 3816 1255 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1017 191 442 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 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 1653 393 21 LINKdotNET-AS, EG 24835 1395 501 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 919 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 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 10491 3390 576 Uninet S.A. de C.V., MX 9808 9134 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6772 1730 150 UNI2-AS, ES 16509 6337 10279 2731 AMAZON-02, US 7545 5918 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4476 297 694 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3931 3070 354 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3929 3360 192 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 9134 9093 CHINAMOBILE-CN China Mobile Communications Grou 12479 6772 6622 UNI2-AS, ES 7545 5918 5222 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4476 3782 CABLEONE, US 20940 3929 3737 AKAMAI-ASN1, NL 16509 6337 3606 AMAZON-02, US 22773 3931 3577 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 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 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 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 /12:303 /13:589 /14:1203 /15:2099 /16:13527 /17:8243 /18:13770 /19:24836 /20:42438 /21:50770 /22:106919 /23:94438 /24:522128 /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 5753 6772 UNI2-AS, ES 8151 4255 10491 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3382 4476 CABLEONE, US 6327 3249 3436 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2938 3931 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2279 2623 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 2:1035 3:154 4:6 5:3781 6:103 7:5 8:1527 9:1 11:172 12:1708 13:298 14:2375 15:196 16:45 17:385 18:159 20:198 21:4 22:188 23:5635 24:2270 25:6 27:2599 29:19 31:2419 32:93 34:1 35:73 36:1776 37:4419 38:2791 39:700 40:153 41:3968 42:1090 43:2175 44:294 45:15942 46:4120 47:311 49:1684 50:2159 51:100 52:1418 54:365 55:734 56:8 57:60 58:1697 59:1116 60:959 61:2244 62:2503 63:1948 64:5488 65:2309 66:4811 67:2972 68:1191 69:4135 70:1336 71:672 72:3046 74:2643 75:1390 76:583 77:2185 78:1851 79:3110 80:1988 81:1594 82:1482 83:1203 84:1353 85:2903 86:711 87:1955 88:1102 89:3286 90:519 91:7613 92:1993 93:2578 94:3494 95:3852 96:1304 97:349 98:990 99:737 100:75 101:1273 102:2086 103:28917 104:4373 105:462 106:872 107:2537 108:824 109:4213 110:2015 111:3236 112:2026 113:1473 114:1480 115:1969 116:1878 117:2510 118:2331 119:1857 120:1662 121:1016 122:2544 123:2094 124:1531 125:2056 128:1177 129:1092 130:956 131:2040 132:794 133:372 134:1900 135:289 136:882 137:841 138:2441 139:1498 140:852 141:1400 142:1280 143:1441 144:1201 145:343 146:1797 147:1472 148:2206 149:1720 150:845 151:1079 152:1849 153:459 154:3531 155:1423 156:1755 157:1228 158:1040 159:2158 160:2483 161:1262 162:3453 163:1258 164:1632 165:1605 166:700 167:1725 168:3768 169:842 170:4502 171:827 172:3144 173:3084 174:1023 175:1135 176:3511 177:4644 178:3497 179:2019 180:2316 181:2972 182:3207 183:1953 184:2384 185:19433 186:4342 187:3694 188:3853 189:3188 190:8851 191:1337 192:10979 193:8601 194:6985 195:4946 196:2986 197:2415 198:5967 199:6029 200:7399 201:5700 202:10087 203:9995 204:4554 205:3431 206:3694 207:3343 208:4021 209:4639 210:4054 211:2340 212:3999 213:3417 214:1154 215:67 216:6424 217:2668 218:1250 219:404 220:1669 221:977 222:670 223:2108 End of report