IPv4 R&E Routing Table Report 23:05 GMT Wed 15 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: 885373 Prefixes after maximum aggregation (per Origin AS): 336632 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434002 Number of IPv4 prefixes with a valid ROA: 330710 Number of IPv4 prefixes with an invalid ROA: 1260 Number of IPv4 prefixes with no ROA: 553403 Total ASes present in the Internet Routing Table: 73033 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62709 Origin ASes announcing only one prefix: 25787 Transit ASes present in the Internet Routing Table: 10324 Transit-only ASes present in the Internet Routing Table: 374 Paths with bogon ASNs present in the IPv4 Routing Table: 43 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: 894 Number of instances of unregistered ASNs: 898 Number of 32-bit ASNs allocated by the RIRs: 39592 Number of 32-bit ASNs visible in the Routing Table: 32755 Prefixes from 32-bit ASNs in the Routing Table: 154930 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3063921408 Equivalent to 182 /8s, 159 /16s and 187 /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: 297811 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228749 Total APNIC prefixes after maximum aggregation: 66155 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224080 Unique aggregates announced from the APNIC address blocks: 95285 APNIC Region origin ASes present in the Internet Routing Table: 12609 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3613 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7894 Number of APNIC addresses announced to Internet: 772784128 Equivalent to 46 /8s, 15 /16s and 192 /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: 262147 Total ARIN prefixes after maximum aggregation: 120089 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262207 Unique aggregates announced from the ARIN address blocks: 126684 ARIN Region origin ASes present in the Internet Routing Table: 18955 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: 4504 Number of ARIN addresses announced to Internet: 1293237760 Equivalent to 77 /8s, 21 /16s and 62 /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: 250589 Total RIPE prefixes after maximum aggregation: 116713 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247856 Unique aggregates announced from the RIPE address blocks: 151378 RIPE Region origin ASes present in the Internet Routing Table: 28112 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3985 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10702 Number of RIPE addresses announced to Internet: 713593600 Equivalent to 42 /8s, 136 /16s and 147 /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: 115009 Total LACNIC prefixes after maximum aggregation: 27504 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114786 Unique aggregates announced from the LACNIC address blocks: 48722 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2227 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: 8681 Number of LACNIC addresses announced to Internet: 176409088 Equivalent to 10 /8s, 131 /16s and 202 /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: 27985 Total AfriNIC prefixes after maximum aggregation: 5485 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35954 Unique aggregates announced from the AfriNIC address blocks: 11517 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 567 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: 974 Number of AfriNIC addresses announced to Internet: 107608832 Equivalent to 6 /8s, 105 /16s and 251 /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 9216 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3493 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2414 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 2129 425 216 TATACOMM-AS TATA Communications formerl 24560 2077 852 386 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 6616 10367 2702 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3889 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1807 2516 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2465 2444 342 GOOGLE-CLOUD-PLATFORM, US 209 2434 4961 416 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 6861 1730 143 UNI2-AS, ES 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3360 194 AKAMAI-ASN1, NL 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2523 249 1312 M247, GB 34984 2246 357 633 TELLCOM-AS, TR 58224 1826 936 611 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 10732 3401 553 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1866 307 485 Mega Cable, S.A. de C.V., MX 6503 1440 355 527 Axtel, S.A.B. de C.V., MX 28573 1378 2332 273 CLARO S.A., BR 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1023 191 437 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 1600 393 19 LINKdotNET-AS, EG 24835 1541 521 31 RAYA-AS, EG 36992 1272 1515 240 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 519 52 37 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 10732 3401 553 Uninet S.A. de C.V., MX 9808 9216 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 143 UNI2-AS, ES 16509 6616 10367 2702 AMAZON-02, US 7545 5920 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3360 194 AKAMAI-ASN1, NL 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 9216 9181 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6718 UNI2-AS, ES 7545 5920 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4004 3965 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6616 3914 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3959 3765 AKAMAI-ASN1, NL 7552 3576 3557 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 /14:1198 /15:2088 /16:13476 /17:8266 /18:13700 /19:24744 /20:43076 /21:50844 /22:107293 /23:94994 /24:524632 /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 5840 6861 UNI2-AS, ES 8151 4449 10732 Uninet S.A. de C.V., MX 8551 3470 4004 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2904 3889 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2281 2624 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 2:1023 3:157 4:6 5:3797 6:108 7:6 8:1553 9:1 11:172 12:1679 13:332 14:2353 15:211 16:42 17:385 18:169 20:213 21:4 22:188 23:5663 24:2346 25:6 27:2613 29:19 31:2443 32:92 34:3 35:87 36:1804 37:4463 38:3040 39:710 40:153 41:3901 42:1115 43:2192 44:289 45:15759 46:4147 47:295 49:1672 50:2174 51:236 52:1443 54:381 55:804 56:8 57:59 58:1698 59:1109 60:963 61:2261 62:2481 63:1936 64:5534 65:2334 66:4831 67:2964 68:1194 69:4163 70:1326 71:681 72:3047 74:2635 75:1392 76:575 77:2214 78:1850 79:3122 80:1996 81:1609 82:1491 83:1209 84:1304 85:2930 86:707 87:1920 88:1136 89:3327 90:538 91:7605 92:2016 93:2548 94:3455 95:3860 96:1309 97:351 98:1002 99:754 100:77 101:1272 102:2147 103:29139 104:4470 105:467 106:873 107:2531 108:834 109:4263 110:1977 111:3267 112:2034 113:1471 114:1470 115:1968 116:1886 117:2507 118:2322 119:1847 120:1668 121:1021 122:2508 123:2084 124:1541 125:2046 128:1182 129:1061 130:969 131:2013 132:804 133:378 134:1922 135:278 136:875 137:857 138:2422 139:1527 140:884 141:1418 142:1279 143:1436 144:1209 145:349 146:1816 147:1505 148:2207 149:1744 150:858 151:1074 152:1835 153:460 154:3548 155:1435 156:1723 157:1242 158:1049 159:2207 160:2533 161:1229 162:3457 163:1272 164:1624 165:1615 166:716 167:1743 168:3781 169:867 170:4441 171:828 172:3213 173:3119 174:1016 175:1146 176:3585 177:4603 178:3552 179:2106 180:2327 181:2979 182:3200 183:1953 184:2371 185:19531 186:4267 187:3796 188:3921 189:3322 190:8879 191:1351 192:10989 193:8610 194:7027 195:4929 196:3053 197:2395 198:5944 199:6014 200:7516 201:5831 202:10104 203:9977 204:4534 205:3444 206:3678 207:3344 208:4003 209:4675 210:4153 211:2324 212:4003 213:3403 214:1146 215:66 216:6477 217:2656 218:1266 219:407 220:1674 221:1006 222:652 223:2119 End of report