IPv4 R&E Routing Table Report 23:05 GMT Fri 29 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: 889439 Prefixes after maximum aggregation (per Origin AS): 338290 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437066 Number of IPv4 prefixes with a valid ROA: 342372 Number of IPv4 prefixes with an invalid ROA: 1283 Number of IPv4 prefixes with no ROA: 545784 Total ASes present in the Internet Routing Table: 73280 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62899 Origin ASes announcing only one prefix: 25929 Transit ASes present in the Internet Routing Table: 10381 Transit-only ASes present in the Internet Routing Table: 404 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: 954 Number of instances of unregistered ASNs: 955 Number of 32-bit ASNs allocated by the RIRs: 39886 Number of 32-bit ASNs visible in the Routing Table: 33050 Prefixes from 32-bit ASNs in the Routing Table: 157170 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: 500 Number of addresses announced to Internet: 3070703360 Equivalent to 183 /8s, 7 /16s and 55 /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: 299241 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229730 Total APNIC prefixes after maximum aggregation: 66512 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224807 Unique aggregates announced from the APNIC address blocks: 96069 APNIC Region origin ASes present in the Internet Routing Table: 12744 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3696 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8034 Number of APNIC addresses announced to Internet: 772607744 Equivalent to 46 /8s, 13 /16s and 15 /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: 262916 Total ARIN prefixes after maximum aggregation: 120381 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263164 Unique aggregates announced from the ARIN address blocks: 127203 ARIN Region origin ASes present in the Internet Routing Table: 18979 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1858 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: 4557 Number of ARIN addresses announced to Internet: 1295771136 Equivalent to 77 /8s, 59 /16s and 230 /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: 251898 Total RIPE prefixes after maximum aggregation: 117576 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249221 Unique aggregates announced from the RIPE address blocks: 152681 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12057 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: 10773 Number of RIPE addresses announced to Internet: 717898496 Equivalent to 42 /8s, 202 /16s and 67 /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: 115810 Total LACNIC prefixes after maximum aggregation: 27560 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115513 Unique aggregates announced from the LACNIC address blocks: 48817 LACNIC Region origin ASes present in the Internet Routing Table: 10970 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 176376576 Equivalent to 10 /8s, 131 /16s and 75 /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: 28131 Total AfriNIC prefixes after maximum aggregation: 5538 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36234 Unique aggregates announced from the AfriNIC address blocks: 11877 AfriNIC Region origin ASes present in the Internet Routing Table: 1658 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 580 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: 989 Number of AfriNIC addresses announced to Internet: 107765760 Equivalent to 6 /8s, 108 /16s and 96 /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 5928 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 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 6757 10387 2694 AMAZON-02, US 11492 4528 300 631 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3822 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 2374 4936 411 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 3993 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 2245 357 634 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 10793 3397 560 Uninet S.A. de C.V., MX 10620 3479 515 781 Telmex Colombia S.A., CO 11830 2411 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 611 1863 34 IAM-AS, MA 15399 518 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 10793 3397 560 Uninet S.A. de C.V., MX 9808 9029 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6880 1730 144 UNI2-AS, ES 16509 6757 10387 2694 AMAZON-02, US 7545 5928 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 631 CABLEONE, US 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3993 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 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6757 4063 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3993 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4528 3897 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4034 3840 AKAMAI-ASN1, NL 7552 3589 3570 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 23.139.104.0/24 Origin: 395494 HIGH-RAPID-NETWORKS, US 23.139.104.0/24 Transit: 6939 HURRICANE, 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 /10:39 /11:100 /12:303 /13:590 /14:1202 /15:2099 /16:13504 /17:8248 /18:13788 /19:24724 /20:43038 /21:50839 /22:107608 /23:95243 /24:528079 /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 4521 10793 Uninet S.A. de C.V., MX 8551 3456 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3432 4528 CABLEONE, US 6327 3258 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2844 3822 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 2:1022 3:157 4:5 5:3828 6:111 7:6 8:1541 9:1 11:172 12:1643 13:340 14:2344 15:234 16:44 17:389 18:175 20:242 21:4 22:188 23:5827 24:2367 25:6 27:2622 29:19 31:2424 32:91 34:7 35:87 36:1843 37:4438 38:3343 39:717 40:152 41:3903 42:1124 43:2193 44:289 45:16002 46:4145 47:300 49:1697 50:1949 51:237 52:1454 54:384 55:853 56:8 57:59 58:1736 59:1109 60:965 61:2287 62:2530 63:1928 64:5577 65:2387 66:4834 67:2959 68:1191 69:4175 70:1314 71:680 72:3024 74:2631 75:1399 76:576 77:2243 78:1877 79:3128 80:2011 81:1643 82:1493 83:1203 84:1351 85:2936 86:733 87:1903 88:1173 89:3358 90:545 91:7612 92:2020 93:2558 94:3508 95:3841 96:1331 97:352 98:1025 99:752 100:77 101:1276 102:2208 103:29440 104:4527 105:468 106:876 107:2547 108:858 109:4323 110:1978 111:3280 112:2039 113:1472 114:1476 115:1973 116:1889 117:2421 118:2292 119:1836 120:1737 121:1015 122:2522 123:2074 124:1541 125:2045 128:1164 129:1047 130:971 131:2036 132:800 133:378 134:1932 135:299 136:886 137:862 138:2516 139:1488 140:928 141:1440 142:1320 143:1391 144:1209 145:347 146:1820 147:1511 148:2200 149:1754 150:865 151:1071 152:1862 153:462 154:3712 155:1452 156:1692 157:1271 158:1038 159:2227 160:2495 161:1303 162:3478 163:1317 164:1642 165:1642 166:756 167:1770 168:3803 169:880 170:4530 171:837 172:3290 173:3110 174:1028 175:1153 176:3606 177:4770 178:3538 179:2204 180:2366 181:3232 182:3197 183:1938 184:2343 185:19603 186:4413 187:3817 188:3978 189:3393 190:8926 191:1456 192:10972 193:8661 194:7062 195:5002 196:3022 197:2414 198:5952 199:6019 200:7480 201:5818 202:10109 203:9996 204:4514 205:3439 206:3686 207:3338 208:4010 209:4675 210:4157 211:2300 212:4016 213:3470 214:1136 215:65 216:6359 217:2638 218:1263 219:408 220:1737 221:961 222:655 223:1961 End of report