IPv4 R&E Routing Table Report 23:05 GMT Sun 08 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: 881273 Prefixes after maximum aggregation (per Origin AS): 335043 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 430531 Number of IPv4 prefixes with a valid ROA: 322053 Number of IPv4 prefixes with an invalid ROA: 1063 Number of IPv4 prefixes with no ROA: 558157 Total ASes present in the Internet Routing Table: 72912 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62596 Origin ASes announcing only one prefix: 25723 Transit ASes present in the Internet Routing Table: 10316 Transit-only ASes present in the Internet Routing Table: 370 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: 849 Number of instances of unregistered ASNs: 853 Number of 32-bit ASNs allocated by the RIRs: 39335 Number of 32-bit ASNs visible in the Routing Table: 32573 Prefixes from 32-bit ASNs in the Routing Table: 153294 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: 484 Number of addresses announced to Internet: 3066453760 Equivalent to 182 /8s, 198 /16s and 95 /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: 296340 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228586 Total APNIC prefixes after maximum aggregation: 65976 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223722 Unique aggregates announced from the APNIC address blocks: 94763 APNIC Region origin ASes present in the Internet Routing Table: 12527 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 3563 APNIC Region transit ASes present in the Internet Routing Table: 1716 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: 7796 Number of APNIC addresses announced to Internet: 773294592 Equivalent to 46 /8s, 23 /16s and 138 /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: 260169 Total ARIN prefixes after maximum aggregation: 119536 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260172 Unique aggregates announced from the ARIN address blocks: 124780 ARIN Region origin ASes present in the Internet Routing Table: 18949 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1871 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: 4465 Number of ARIN addresses announced to Internet: 1295319808 Equivalent to 77 /8s, 53 /16s and 3 /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: 249346 Total RIPE prefixes after maximum aggregation: 116071 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246639 Unique aggregates announced from the RIPE address blocks: 150384 RIPE Region origin ASes present in the Internet Routing Table: 28125 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 4004 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: 10702 Number of RIPE addresses announced to Internet: 713901312 Equivalent to 42 /8s, 141 /16s and 69 /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: 114506 Total LACNIC prefixes after maximum aggregation: 27365 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114337 Unique aggregates announced from the LACNIC address blocks: 48539 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2214 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: 8656 Number of LACNIC addresses announced to Internet: 176338944 Equivalent to 10 /8s, 130 /16s and 184 /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: 27817 Total AfriNIC prefixes after maximum aggregation: 5439 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 35919 Unique aggregates announced from the AfriNIC address blocks: 11645 AfriNIC Region origin ASes present in the Internet Routing Table: 1620 AfriNIC Prefixes per ASN: 22.17 AfriNIC Region origin ASes announcing only one prefix: 557 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 954 Number of AfriNIC addresses announced to Internet: 107326464 Equivalent to 6 /8s, 101 /16s and 172 /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 9130 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5919 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 499 238 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 2118 438 201 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 6354 10282 2728 AMAZON-02, US 11492 4490 298 690 CABLEONE, US 22773 3924 3064 352 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 2616 373 169 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2513 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 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3930 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 2497 250 1299 M247, GB 34984 2240 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 10583 3394 562 Uninet S.A. de C.V., MX 10620 3474 519 737 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1782 298 470 Mega Cable, S.A. de C.V., MX 6503 1454 355 527 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 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1016 191 442 Techtel LMDS Comunicaciones Interactiva 11172 957 133 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 1653 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 932 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 10583 3394 562 Uninet S.A. de C.V., MX 9808 9130 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6772 1730 150 UNI2-AS, ES 16509 6354 10282 2728 AMAZON-02, US 7545 5919 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4490 298 690 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3930 3360 192 AKAMAI-ASN1, NL 22773 3924 3064 352 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 9130 9089 CHINAMOBILE-CN China Mobile Communications Grou 12479 6772 6622 UNI2-AS, ES 7545 5919 5223 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4490 3800 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3930 3738 AKAMAI-ASN1, NL 16509 6354 3626 AMAZON-02, US 7552 3592 3573 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 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 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 /11:100 /12:303 /13:589 /14:1203 /15:2099 /16:13523 /17:8245 /18:13770 /19:24847 /20:42422 /21:50737 /22:106951 /23:94378 /24:522029 /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 4299 10583 Uninet S.A. de C.V., MX 8551 3475 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3396 4490 CABLEONE, US 6327 3249 3436 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2934 3924 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1925 2:1032 3:154 4:6 5:3782 6:104 7:5 8:1527 9:1 11:172 12:1711 13:301 14:2374 15:198 16:45 17:384 18:159 20:209 21:4 22:188 23:5638 24:2268 25:6 27:2598 29:19 31:2415 32:93 34:1 35:73 36:1779 37:4431 38:2796 39:699 40:153 41:3975 42:1090 43:2175 44:293 45:15974 46:4116 47:294 49:1684 50:2157 51:100 52:1420 54:365 55:736 56:8 57:60 58:1696 59:1117 60:959 61:2245 62:2502 63:1941 64:5483 65:2319 66:4817 67:2974 68:1190 69:4121 70:1334 71:672 72:3046 74:2638 75:1390 76:579 77:2181 78:1851 79:3109 80:1991 81:1593 82:1492 83:1204 84:1351 85:2911 86:710 87:1965 88:1104 89:3291 90:518 91:7606 92:1993 93:2580 94:3491 95:3849 96:1305 97:349 98:993 99:736 100:75 101:1272 102:2080 103:28919 104:4362 105:462 106:873 107:2525 108:819 109:4185 110:2010 111:3230 112:2026 113:1473 114:1479 115:1971 116:1875 117:2510 118:2328 119:1856 120:1661 121:1018 122:2545 123:2085 124:1531 125:2056 128:1176 129:1094 130:955 131:2040 132:792 133:372 134:1894 135:289 136:880 137:847 138:2438 139:1499 140:848 141:1392 142:1280 143:1441 144:1207 145:343 146:1799 147:1473 148:2217 149:1722 150:844 151:1081 152:1849 153:459 154:3493 155:1417 156:1749 157:1226 158:1041 159:2155 160:2496 161:1270 162:3456 163:1261 164:1624 165:1607 166:702 167:1720 168:3770 169:842 170:4496 171:827 172:3131 173:3093 174:1023 175:1134 176:3489 177:4657 178:3494 179:2016 180:2316 181:2961 182:3208 183:1950 184:2382 185:19451 186:4330 187:3705 188:3856 189:3205 190:8835 191:1313 192:10981 193:8598 194:6988 195:4950 196:2992 197:2426 198:5950 199:6024 200:7402 201:5706 202:10086 203:9985 204:4553 205:3440 206:3691 207:3345 208:4029 209:4639 210:4054 211:2342 212:3998 213:3419 214:1148 215:67 216:6424 217:2665 218:1248 219:404 220:1669 221:977 222:670 223:2108 End of report