IPv4 R&E Routing Table Report 23:05 GMT Fri 10 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: 884915 Prefixes after maximum aggregation (per Origin AS): 336515 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433918 Number of IPv4 prefixes with a valid ROA: 329864 Number of IPv4 prefixes with an invalid ROA: 1264 Number of IPv4 prefixes with no ROA: 553787 Total ASes present in the Internet Routing Table: 73046 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62723 Origin ASes announcing only one prefix: 25768 Transit ASes present in the Internet Routing Table: 10323 Transit-only ASes present in the Internet Routing Table: 377 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 895 Number of instances of unregistered ASNs: 899 Number of 32-bit ASNs allocated by the RIRs: 39570 Number of 32-bit ASNs visible in the Routing Table: 32762 Prefixes from 32-bit ASNs in the Routing Table: 154825 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: 494 Number of addresses announced to Internet: 3064175616 Equivalent to 182 /8s, 163 /16s and 156 /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: 297456 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228927 Total APNIC prefixes after maximum aggregation: 66161 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224288 Unique aggregates announced from the APNIC address blocks: 95296 APNIC Region origin ASes present in the Internet Routing Table: 12613 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 3602 APNIC Region transit ASes present in the Internet Routing Table: 1736 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: 7895 Number of APNIC addresses announced to Internet: 772974848 Equivalent to 46 /8s, 18 /16s and 169 /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: 262288 Total ARIN prefixes after maximum aggregation: 120112 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262178 Unique aggregates announced from the ARIN address blocks: 126683 ARIN Region origin ASes present in the Internet Routing Table: 18959 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6901 ARIN Region transit ASes present in the Internet Routing Table: 1864 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: 4505 Number of ARIN addresses announced to Internet: 1293239296 Equivalent to 77 /8s, 21 /16s and 68 /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: 250191 Total RIPE prefixes after maximum aggregation: 116620 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247610 Unique aggregates announced from the RIPE address blocks: 151256 RIPE Region origin ASes present in the Internet Routing Table: 28107 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12021 RIPE Region transit ASes present in the Internet Routing Table: 3996 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: 713600512 Equivalent to 42 /8s, 136 /16s and 174 /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: 114738 Total LACNIC prefixes after maximum aggregation: 27432 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114509 Unique aggregates announced from the LACNIC address blocks: 48705 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2230 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8688 Number of LACNIC addresses announced to Internet: 176345088 Equivalent to 10 /8s, 130 /16s and 208 /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: 27876 Total AfriNIC prefixes after maximum aggregation: 5500 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35836 Unique aggregates announced from the AfriNIC address blocks: 11563 AfriNIC Region origin ASes present in the Internet Routing Table: 1647 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 565 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 972 Number of AfriNIC addresses announced to Internet: 107725568 Equivalent to 6 /8s, 107 /16s and 195 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3490 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 424 215 TATACOMM-AS TATA Communications formerl 24560 2067 851 387 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 6629 10371 2692 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 22773 3909 3071 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3455 1801 2512 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2622 375 192 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2464 2442 341 GOOGLE-CLOUD-PLATFORM, US 209 2436 4961 418 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 6835 1730 143 UNI2-AS, ES 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2481 247 1281 M247, GB 34984 2245 357 633 TELLCOM-AS, TR 58224 1844 938 623 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 10708 3401 552 Uninet S.A. de C.V., MX 10620 3487 519 740 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1857 306 483 Mega Cable, S.A. de C.V., MX 6503 1437 355 525 Axtel, S.A.B. de C.V., MX 28573 1365 2332 273 CLARO S.A., BR 3816 1257 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 439 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1603 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 458 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 10708 3401 552 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6835 1730 143 UNI2-AS, ES 16509 6629 10371 2692 AMAZON-02, US 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 22773 3909 3071 364 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 12479 6835 6692 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6629 3937 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3963 3770 AKAMAI-ASN1, NL 7552 3578 3559 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 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 /10:40 /11:99 /12:300 /13:588 /14:1199 /15:2088 /16:13477 /17:8237 /18:13727 /19:24779 /20:43060 /21:50869 /22:107217 /23:94861 /24:524339 /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 5812 6835 UNI2-AS, ES 8151 4426 10708 Uninet S.A. de C.V., MX 8551 3467 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2910 3909 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2622 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 2:1022 3:157 4:6 5:3799 6:108 7:5 8:1551 9:1 11:172 12:1681 13:329 14:2359 15:209 16:42 17:385 18:171 20:213 21:4 22:188 23:5665 24:2346 25:6 27:2614 29:19 31:2440 32:92 34:3 35:87 36:1800 37:4459 38:3041 39:709 40:152 41:3875 42:1119 43:2202 44:290 45:15820 46:4132 47:292 49:1673 50:2163 51:108 52:1444 54:381 55:758 56:8 57:59 58:1695 59:1103 60:961 61:2259 62:2483 63:1936 64:5527 65:2338 66:4828 67:2974 68:1193 69:4167 70:1328 71:682 72:3047 74:2655 75:1392 76:577 77:2187 78:1842 79:3126 80:1994 81:1611 82:1488 83:1207 84:1316 85:2924 86:711 87:1946 88:1135 89:3332 90:534 91:7588 92:2011 93:2550 94:3461 95:3860 96:1310 97:351 98:999 99:755 100:77 101:1272 102:2129 103:29153 104:4468 105:467 106:872 107:2534 108:839 109:4260 110:1983 111:3260 112:2035 113:1472 114:1474 115:1979 116:1888 117:2515 118:2329 119:1861 120:1668 121:1020 122:2509 123:2086 124:1539 125:2054 128:1190 129:1069 130:972 131:2026 132:766 133:378 134:1922 135:282 136:875 137:854 138:2431 139:1515 140:882 141:1418 142:1283 143:1448 144:1203 145:349 146:1819 147:1496 148:2202 149:1740 150:853 151:1078 152:1845 153:458 154:3550 155:1436 156:1721 157:1237 158:1046 159:2207 160:2534 161:1276 162:3464 163:1272 164:1617 165:1625 166:717 167:1741 168:3756 169:854 170:4470 171:828 172:3209 173:3116 174:1015 175:1142 176:3583 177:4578 178:3547 179:2087 180:2322 181:2975 182:3201 183:1950 184:2365 185:19534 186:4235 187:3792 188:3917 189:3305 190:8876 191:1309 192:10982 193:8622 194:7023 195:4939 196:3023 197:2387 198:5945 199:6021 200:7497 201:5826 202:10101 203:9981 204:4533 205:3434 206:3675 207:3339 208:4007 209:4670 210:4149 211:2325 212:4008 213:3403 214:1145 215:66 216:6471 217:2670 218:1273 219:407 220:1674 221:1007 222:652 223:2115 End of report