IPv4 R&E Routing Table Report 23:05 GMT Sat 30 Jul, 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: 889482 Prefixes after maximum aggregation (per Origin AS): 338295 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437121 Number of IPv4 prefixes with a valid ROA: 342543 Number of IPv4 prefixes with an invalid ROA: 1255 Number of IPv4 prefixes with no ROA: 545684 Total ASes present in the Internet Routing Table: 73263 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62882 Origin ASes announcing only one prefix: 25925 Transit ASes present in the Internet Routing Table: 10381 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 947 Number of instances of unregistered ASNs: 948 Number of 32-bit ASNs allocated by the RIRs: 39897 Number of 32-bit ASNs visible in the Routing Table: 33038 Prefixes from 32-bit ASNs in the Routing Table: 157167 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3070527232 Equivalent to 183 /8s, 4 /16s and 135 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299258 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229833 Total APNIC prefixes after maximum aggregation: 66512 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224862 Unique aggregates announced from the APNIC address blocks: 96100 APNIC Region origin ASes present in the Internet Routing Table: 12747 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3699 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8033 Number of APNIC addresses announced to Internet: 772632064 Equivalent to 46 /8s, 13 /16s and 110 /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: 262855 Total ARIN prefixes after maximum aggregation: 120428 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263119 Unique aggregates announced from the ARIN address blocks: 127259 ARIN Region origin ASes present in the Internet Routing Table: 18970 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6920 ARIN Region transit ASes present in the Internet Routing Table: 1860 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4551 Number of ARIN addresses announced to Internet: 1295745536 Equivalent to 77 /8s, 59 /16s and 130 /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: 251781 Total RIPE prefixes after maximum aggregation: 117538 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249211 Unique aggregates announced from the RIPE address blocks: 152682 RIPE Region origin ASes present in the Internet Routing Table: 28143 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 4023 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10768 Number of RIPE addresses announced to Internet: 717865728 Equivalent to 42 /8s, 201 /16s and 195 /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: 115905 Total LACNIC prefixes after maximum aggregation: 27560 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115606 Unique aggregates announced from the LACNIC address blocks: 48807 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2249 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8694 Number of LACNIC addresses announced to Internet: 176342272 Equivalent to 10 /8s, 130 /16s and 197 /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: 28161 Total AfriNIC prefixes after maximum aggregation: 5541 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36191 Unique aggregates announced from the AfriNIC address blocks: 11861 AfriNIC Region origin ASes present in the Internet Routing Table: 1661 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 582 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 992 Number of AfriNIC addresses announced to Internet: 107665152 Equivalent to 6 /8s, 106 /16s and 215 /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 9029 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5926 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3512 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2257 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2149 850 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 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 6761 10388 2692 AMAZON-02, US 11492 4525 300 640 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3821 3066 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1782 2504 AKAMAI-AS, US 6327 3448 1319 64 SHAW, CA 749 3024 50732 2282 DNIC-AS-00749, US 30036 2601 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2373 4936 410 CENTURYLINK-US-LEGACY-QWEST, 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 6880 1730 144 UNI2-AS, ES 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2578 254 1332 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1778 933 554 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 10796 3397 557 Uninet S.A. de C.V., MX 10620 3479 515 781 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1901 309 509 Mega Cable, S.A. de C.V., MX 28573 1366 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1266 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 370 21 Telefonica del Peru S.A.A., PE 11664 1013 179 460 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 TIM SA, 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 1607 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1326 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 46 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 52 38 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10796 3397 557 Uninet S.A. de C.V., MX 9808 9029 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6880 1730 144 UNI2-AS, ES 16509 6761 10388 2692 AMAZON-02, US 7545 5926 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4525 300 640 CABLEONE, US 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 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 9029 8983 CHINAMOBILE-CN China Mobile Communications Grou 12479 6880 6736 UNI2-AS, ES 7545 5926 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6761 4069 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4525 3885 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4034 3840 AKAMAI-ASN1, NL 7552 3590 3571 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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 /13:590 /14:1202 /15:2099 /16:13501 /17:8250 /18:13792 /19:24732 /20:43048 /21:50807 /22:107610 /23:95321 /24:528053 /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 5866 6880 UNI2-AS, ES 8151 4523 10796 Uninet S.A. de C.V., MX 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4525 CABLEONE, US 6327 3258 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2843 3821 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2260 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1945 2:1024 3:157 4:5 5:3824 6:111 7:6 8:1538 9:1 11:172 12:1642 13:341 14:2348 15:234 16:44 17:389 18:175 20:242 21:4 22:188 23:5827 24:2366 25:6 27:2622 29:19 31:2425 32:92 34:7 35:87 36:1844 37:4441 38:3337 39:718 40:152 41:3903 42:1125 43:2194 44:290 45:16017 46:4142 47:300 49:1690 50:1949 51:237 52:1450 54:384 55:849 56:8 57:59 58:1736 59:1108 60:964 61:2287 62:2530 63:1926 64:5574 65:2387 66:4833 67:2959 68:1191 69:4177 70:1314 71:680 72:3024 74:2632 75:1399 76:576 77:2243 78:1875 79:3128 80:2010 81:1645 82:1493 83:1205 84:1352 85:2957 86:731 87:1903 88:1173 89:3362 90:545 91:7606 92:2021 93:2540 94:3510 95:3838 96:1331 97:352 98:1024 99:752 100:77 101:1284 102:2212 103:29450 104:4528 105:468 106:880 107:2546 108:858 109:4322 110:1979 111:3280 112:2039 113:1473 114:1476 115:1973 116:1887 117:2421 118:2297 119:1837 120:1737 121:1016 122:2522 123:2074 124:1541 125:2045 128:1163 129:1046 130:969 131:2046 132:796 133:378 134:1933 135:299 136:892 137:861 138:2510 139:1490 140:928 141:1441 142:1321 143:1386 144:1209 145:347 146:1820 147:1502 148:2200 149:1750 150:865 151:1071 152:1861 153:463 154:3712 155:1449 156:1692 157:1272 158:1038 159:2226 160:2496 161:1310 162:3480 163:1327 164:1641 165:1641 166:760 167:1768 168:3808 169:876 170:4534 171:836 172:3292 173:3111 174:1028 175:1153 176:3606 177:4723 178:3535 179:2192 180:2366 181:3233 182:3196 183:1937 184:2343 185:19592 186:4433 187:3807 188:3977 189:3379 190:8958 191:1465 192:10972 193:8651 194:7063 195:5000 196:2951 197:2406 198:5952 199:6018 200:7507 201:5825 202:10111 203:10012 204:4509 205:3439 206:3685 207:3338 208:4009 209:4676 210:4170 211:2300 212:4019 213:3471 214:1136 215:65 216:6361 217:2638 218:1263 219:408 220:1737 221:961 222:655 223:1961 End of report