IPv4 R&E Routing Table Report 23:05 GMT Sun 31 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: 889562 Prefixes after maximum aggregation (per Origin AS): 338358 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437245 Number of IPv4 prefixes with a valid ROA: 342531 Number of IPv4 prefixes with an invalid ROA: 1347 Number of IPv4 prefixes with no ROA: 545684 Total ASes present in the Internet Routing Table: 73268 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62894 Origin ASes announcing only one prefix: 25929 Transit ASes present in the Internet Routing Table: 10374 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: 953 Number of instances of unregistered ASNs: 954 Number of 32-bit ASNs allocated by the RIRs: 39905 Number of 32-bit ASNs visible in the Routing Table: 33045 Prefixes from 32-bit ASNs in the Routing Table: 157162 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: 499 Number of addresses announced to Internet: 3070442752 Equivalent to 183 /8s, 3 /16s and 61 /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: 299352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229792 Total APNIC prefixes after maximum aggregation: 66503 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224804 Unique aggregates announced from the APNIC address blocks: 96063 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: 3702 APNIC Region transit ASes present in the Internet Routing Table: 1739 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: 8036 Number of APNIC addresses announced to Internet: 772617728 Equivalent to 46 /8s, 13 /16s and 54 /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: 262885 Total ARIN prefixes after maximum aggregation: 120446 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263154 Unique aggregates announced from the ARIN address blocks: 127267 ARIN Region origin ASes present in the Internet Routing Table: 18968 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6919 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 1295725312 Equivalent to 77 /8s, 59 /16s and 51 /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: 251838 Total RIPE prefixes after maximum aggregation: 117573 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249198 Unique aggregates announced from the RIPE address blocks: 152792 RIPE Region origin ASes present in the Internet Routing Table: 28147 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 4024 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: 10769 Number of RIPE addresses announced to Internet: 717798912 Equivalent to 42 /8s, 200 /16s and 190 /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: 115886 Total LACNIC prefixes after maximum aggregation: 27566 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115592 Unique aggregates announced from the LACNIC address blocks: 48821 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2245 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: 8697 Number of LACNIC addresses announced to Internet: 176310272 Equivalent to 10 /8s, 130 /16s and 72 /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: 28208 Total AfriNIC prefixes after maximum aggregation: 5548 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36315 Unique aggregates announced from the AfriNIC address blocks: 11884 AfriNIC Region origin ASes present in the Internet Routing Table: 1661 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 107707136 Equivalent to 6 /8s, 107 /16s and 123 /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 9019 8883 47 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 6752 10386 2700 AMAZON-02, US 11492 4530 300 628 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 6881 1730 144 UNI2-AS, ES 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 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 1762 928 569 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 10795 3397 560 Uninet S.A. de C.V., MX 10620 3479 515 781 Telmex Colombia S.A., CO 11830 2406 369 64 Instituto Costarricense de Electricidad 13999 1921 314 511 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 612 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 10795 3397 560 Uninet S.A. de C.V., MX 9808 9019 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6881 1730 144 UNI2-AS, ES 16509 6752 10386 2700 AMAZON-02, US 7545 5926 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4530 300 628 CABLEONE, US 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 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 9019 8972 CHINAMOBILE-CN China Mobile Communications Grou 12479 6881 6737 UNI2-AS, ES 7545 5926 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6752 4052 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4530 3902 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 /16:13502 /17:8246 /18:13789 /19:24732 /20:43048 /21:50807 /22:107595 /23:95344 /24:528131 /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 5867 6881 UNI2-AS, ES 8151 4522 10795 Uninet S.A. de C.V., MX 8551 3457 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3434 4530 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) ---------------------------------------------- 1:1946 2:1023 3:157 4:5 5:3831 6:111 7:6 8:1541 9:1 11:172 12:1642 13:341 14:2348 15:234 16:44 17:388 18:174 20:242 21:4 22:188 23:5825 24:2371 25:6 27:2621 29:19 31:2425 32:92 34:7 35:87 36:1836 37:4439 38:3332 39:719 40:152 41:3906 42:1125 43:2194 44:290 45:16025 46:4142 47:300 49:1694 50:1949 51:237 52:1450 54:384 55:852 56:8 57:59 58:1736 59:1107 60:964 61:2287 62:2531 63:1927 64:5576 65:2388 66:4834 67:2961 68:1191 69:4177 70:1314 71:680 72:3032 74:2632 75:1399 76:576 77:2248 78:1876 79:3130 80:2010 81:1647 82:1493 83:1205 84:1352 85:2923 86:736 87:1903 88:1173 89:3362 90:546 91:7606 92:2020 93:2559 94:3509 95:3841 96:1331 97:352 98:1025 99:752 100:77 101:1284 102:2220 103:29438 104:4529 105:468 106:880 107:2547 108:859 109:4325 110:1980 111:3276 112:2034 113:1473 114:1476 115:1968 116:1885 117:2421 118:2297 119:1836 120:1737 121:1015 122:2522 123:2075 124:1541 125:2044 128:1164 129:1046 130:969 131:2038 132:797 133:378 134:1932 135:299 136:892 137:861 138:2502 139:1485 140:928 141:1442 142:1321 143:1385 144:1206 145:347 146:1820 147:1503 148:2168 149:1748 150:863 151:1072 152:1862 153:461 154:3710 155:1451 156:1693 157:1271 158:1038 159:2227 160:2498 161:1311 162:3479 163:1326 164:1638 165:1641 166:760 167:1770 168:3804 169:876 170:4531 171:836 172:3290 173:3112 174:1029 175:1154 176:3609 177:4757 178:3534 179:2197 180:2367 181:3227 182:3196 183:1934 184:2344 185:19583 186:4419 187:3808 188:3978 189:3382 190:8956 191:1456 192:10979 193:8657 194:7066 195:5001 196:3028 197:2439 198:5955 199:6020 200:7509 201:5821 202:10114 203:10006 204:4508 205:3441 206:3685 207:3338 208:4005 209:4678 210:4166 211:2300 212:4019 213:3472 214:1136 215:65 216:6359 217:2638 218:1263 219:408 220:1737 221:959 222:654 223:1962 End of report