IPv4 R&E Routing Table Report 23:05 GMT Thu 02 Jun, 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: 883341 Prefixes after maximum aggregation (per Origin AS): 335852 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432985 Number of IPv4 prefixes with a valid ROA: 328279 Number of IPv4 prefixes with an invalid ROA: 1325 Number of IPv4 prefixes with no ROA: 553737 Total ASes present in the Internet Routing Table: 72994 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62681 Origin ASes announcing only one prefix: 25743 Transit ASes present in the Internet Routing Table: 10313 Transit-only ASes present in the Internet Routing Table: 385 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 885 Number of instances of unregistered ASNs: 889 Number of 32-bit ASNs allocated by the RIRs: 39522 Number of 32-bit ASNs visible in the Routing Table: 32706 Prefixes from 32-bit ASNs in the Routing Table: 153921 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: 503 Number of addresses announced to Internet: 3064596480 Equivalent to 182 /8s, 170 /16s and 8 /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: 297316 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228491 Total APNIC prefixes after maximum aggregation: 66090 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223866 Unique aggregates announced from the APNIC address blocks: 95018 APNIC Region origin ASes present in the Internet Routing Table: 12598 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3612 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: 7873 Number of APNIC addresses announced to Internet: 773159680 Equivalent to 46 /8s, 21 /16s and 123 /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: 261168 Total ARIN prefixes after maximum aggregation: 119814 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261015 Unique aggregates announced from the ARIN address blocks: 126217 ARIN Region origin ASes present in the Internet Routing Table: 18958 ARIN Prefixes per ASN: 13.77 ARIN Region origin ASes announcing only one prefix: 6913 ARIN Region transit ASes present in the Internet Routing Table: 1865 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: 4485 Number of ARIN addresses announced to Internet: 1293247488 Equivalent to 77 /8s, 21 /16s and 100 /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: 250083 Total RIPE prefixes after maximum aggregation: 116456 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247524 Unique aggregates announced from the RIPE address blocks: 151106 RIPE Region origin ASes present in the Internet Routing Table: 28082 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 11991 RIPE Region transit ASes present in the Internet Routing Table: 3995 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: 10698 Number of RIPE addresses announced to Internet: 713844480 Equivalent to 42 /8s, 140 /16s and 103 /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: 114646 Total LACNIC prefixes after maximum aggregation: 27362 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114470 Unique aggregates announced from the LACNIC address blocks: 48641 LACNIC Region origin ASes present in the Internet Routing Table: 10959 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2212 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8673 Number of LACNIC addresses announced to Internet: 176385024 Equivalent to 10 /8s, 131 /16s and 108 /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: 28068 Total AfriNIC prefixes after maximum aggregation: 5471 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35963 Unique aggregates announced from the AfriNIC address blocks: 11589 AfriNIC Region origin ASes present in the Internet Routing Table: 1650 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 977 Number of AfriNIC addresses announced to Internet: 107672832 Equivalent to 6 /8s, 106 /16s and 245 /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 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2409 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 24560 2056 853 384 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 6553 10362 2678 AMAZON-02, US 11492 4516 299 654 CABLEONE, US 22773 3912 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3526 1815 2523 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2866 50793 2124 DNIC-AS-00749, US 30036 2620 373 180 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2437 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 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 6822 1730 150 UNI2-AS, ES 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 3360 193 AKAMAI-ASN1, NL 39891 3833 224 42 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2474 246 1279 M247, GB 34984 2241 357 630 TELLCOM-AS, TR 58224 1845 938 616 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 10661 3398 559 Uninet S.A. de C.V., MX 10620 3487 519 724 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1841 304 474 Mega Cable, S.A. de C.V., MX 6503 1402 354 528 Axtel, S.A.B. de C.V., MX 28573 1369 2334 256 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1024 192 443 Techtel LMDS Comunicaciones Interactiva 11172 958 133 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 1656 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 513 51 34 WANANCHI-, KE 37342 464 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 10661 3398 559 Uninet S.A. de C.V., MX 9808 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6822 1730 150 UNI2-AS, ES 16509 6553 10362 2678 AMAZON-02, US 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 654 CABLEONE, US 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 3360 193 AKAMAI-ASN1, NL 22773 3912 3070 363 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 9199 9164 CHINAMOBILE-CN China Mobile Communications Grou 12479 6822 6672 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3993 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6553 3875 AMAZON-02, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3862 CABLEONE, US 39891 3833 3791 ALJAWWALSTC-AS, SA 20940 3965 3772 AKAMAI-ASN1, NL 7552 3572 3553 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 17033 UNALLOCATED 8.48.225.0/24 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 23.170.254.0/24 Origin: 42831 UKSERVERS-AS UK Dedicated Servers, Hosti 23.170.254.0/24 Transit: 174 COGENT-174, 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 /11:99 /12:301 /13:587 /14:1199 /15:2088 /16:13480 /17:8232 /18:13738 /19:24768 /20:42644 /21:50715 /22:107072 /23:94704 /24:523639 /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 5797 6822 UNI2-AS, ES 8151 4389 10661 Uninet S.A. de C.V., MX 8551 3459 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3145 3833 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2913 3912 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2620 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1921 2:1019 3:156 4:6 5:3802 6:104 7:5 8:1526 9:1 11:172 12:1680 13:320 14:2372 15:205 16:42 17:382 18:164 20:213 21:4 22:188 23:5650 24:2309 25:6 27:2608 29:19 31:2426 32:92 34:4 35:83 36:1790 37:4458 38:2939 39:707 40:152 41:3970 42:1115 43:2175 44:290 45:15841 46:4133 47:297 49:1664 50:2164 51:108 52:1439 54:379 55:731 56:8 57:59 58:1689 59:1108 60:958 61:2254 62:2527 63:1936 64:5516 65:2330 66:4840 67:2975 68:1192 69:4168 70:1330 71:684 72:3055 74:2638 75:1392 76:574 77:2185 78:1848 79:3113 80:1994 81:1606 82:1496 83:1204 84:1337 85:2928 86:713 87:1971 88:1124 89:3309 90:530 91:7593 92:2014 93:2567 94:3487 95:3884 96:1310 97:349 98:1001 99:746 100:77 101:1272 102:2109 103:29060 104:4425 105:458 106:872 107:2527 108:829 109:4258 110:1993 111:3258 112:2033 113:1475 114:1476 115:1962 116:1892 117:2502 118:2327 119:1848 120:1668 121:1020 122:2511 123:2084 124:1531 125:2059 128:1189 129:1077 130:969 131:2042 132:796 133:378 134:1900 135:291 136:881 137:856 138:2429 139:1503 140:862 141:1421 142:1285 143:1445 144:1210 145:348 146:1803 147:1464 148:2215 149:1732 150:847 151:1075 152:1845 153:460 154:3535 155:1424 156:1723 157:1232 158:1049 159:2206 160:2531 161:1279 162:3456 163:1271 164:1630 165:1619 166:718 167:1735 168:3765 169:850 170:4448 171:829 172:3202 173:3105 174:1019 175:1133 176:3591 177:4631 178:3550 179:2076 180:2325 181:2945 182:3199 183:1952 184:2372 185:19525 186:4260 187:3799 188:3882 189:3299 190:8852 191:1289 192:10987 193:8604 194:7001 195:4917 196:3065 197:2385 198:5938 199:6022 200:7485 201:5706 202:10107 203:9989 204:4540 205:3424 206:3685 207:3324 208:4005 209:4646 210:4125 211:2333 212:4009 213:3389 214:1151 215:67 216:6463 217:2661 218:1269 219:407 220:1675 221:967 222:652 223:2113 End of report