Global R&E Routing Table Report 23:05 GMT Sun 26 Dec, 2021 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: 868243 Prefixes after maximum aggregation (per Origin AS): 330114 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 424145 Total ASes present in the Internet Routing Table: 72301 Prefixes per ASN: 12.01 Origin-only ASes present in the Internet Routing Table: 62086 Origin ASes announcing only one prefix: 25638 Transit ASes present in the Internet Routing Table: 10215 Transit-only ASes present in the Internet Routing Table: 370 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 887 Number of instances of unregistered ASNs: 890 Number of 32-bit ASNs allocated by the RIRs: 38184 Number of 32-bit ASNs visible in the Routing Table: 31644 Prefixes from 32-bit ASNs in the Routing Table: 146699 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: 717 Number of addresses announced to Internet: 3072210432 Equivalent to 183 /8s, 30 /16s and 54 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 290831 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 226047 Total APNIC prefixes after maximum aggregation: 64582 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220903 Unique aggregates announced from the APNIC address blocks: 93435 APNIC Region origin ASes present in the Internet Routing Table: 12110 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 3444 APNIC Region transit ASes present in the Internet Routing Table: 1674 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: 7360 Number of APNIC addresses announced to Internet: 772706816 Equivalent to 46 /8s, 14 /16s and 146 /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: 255966 Total ARIN prefixes after maximum aggregation: 118016 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255527 Unique aggregates announced from the ARIN address blocks: 122415 ARIN Region origin ASes present in the Internet Routing Table: 18853 ARIN Prefixes per ASN: 13.55 ARIN Region origin ASes announcing only one prefix: 6855 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4246 Number of ARIN addresses announced to Internet: 1300780288 Equivalent to 77 /8s, 136 /16s and 85 /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: 244565 Total RIPE prefixes after maximum aggregation: 114516 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 241031 Unique aggregates announced from the RIPE address blocks: 148287 RIPE Region origin ASes present in the Internet Routing Table: 28155 RIPE Prefixes per ASN: 8.56 RIPE Region origin ASes announcing only one prefix: 12143 RIPE Region transit ASes present in the Internet Routing Table: 3974 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10579 Number of RIPE addresses announced to Internet: 713641984 Equivalent to 42 /8s, 137 /16s and 80 /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: 113161 Total LACNIC prefixes after maximum aggregation: 27069 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113960 Unique aggregates announced from the LACNIC address blocks: 47760 LACNIC Region origin ASes present in the Internet Routing Table: 10859 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2182 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8546 Number of LACNIC addresses announced to Internet: 176051456 Equivalent to 10 /8s, 126 /16s and 85 /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: 27617 Total AfriNIC prefixes after maximum aggregation: 5274 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 36105 Unique aggregates announced from the AfriNIC address blocks: 11602 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.84 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 310 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 913 Number of AfriNIC addresses announced to Internet: 108581376 Equivalent to 6 /8s, 120 /16s and 210 /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 8719 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5836 787 679 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3601 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3480 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3247 1880 58 VNPT-AS-VN VNPT Corp, VN 4766 2233 11117 571 KIXS-AS-KR Korea Telecom, KR 9498 2212 475 235 BBIL-AP BHARTI Airtel Ltd., IN 4755 2122 429 203 TATACOMM-AS TATA Communications formerl 45090 2103 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2001 840 368 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 6051 10129 2594 AMAZON-02, US 11492 4580 303 821 CABLEONE, US 22773 4026 3032 384 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3654 1885 2555 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2603 374 146 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2525 5043 433 CENTURYLINK-US-LEGACY-QWEST, US 20115 2241 3033 501 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 6839 1733 150 UNI2-AS, ES 20940 3852 3359 190 AKAMAI-ASN1, NL 8551 3559 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2898 2284 901 ROSTELECOM-AS, RU 9009 2528 260 1344 M247, GB 34984 2204 355 599 TELLCOM-AS, TR 58224 1765 921 572 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1606 214 919 ASDETUK www.heficed.com, GB 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 10579 3451 585 Uninet S.A. de C.V., MX 10620 3263 491 836 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1639 283 462 Mega Cable, S.A. de C.V., MX 6503 1441 355 523 Axtel, S.A.B. de C.V., MX 28573 1377 2324 256 CLARO S.A., BR 3816 1243 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1089 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 Techtel LMDS Comunicaciones Interactiva 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 1629 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1298 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 687 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 517 50 33 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 424 232 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 10579 3451 585 Uninet S.A. de C.V., MX 9808 8719 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6839 1733 150 UNI2-AS, ES 16509 6051 10129 2594 AMAZON-02, US 7545 5836 787 679 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4580 303 821 CABLEONE, US 22773 4026 3032 384 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3852 3359 190 AKAMAI-ASN1, NL 16625 3654 1885 2555 AKAMAI-AS, 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 8719 8665 CHINAMOBILE-CN China Mobile Communications Grou 12479 6839 6689 UNI2-AS, ES 7545 5836 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4580 3759 CABLEONE, US 20940 3852 3662 AKAMAI-ASN1, NL 22773 4026 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3601 3582 VIETEL-AS-AP Viettel Group, VN 8551 3559 3520 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6051 3457 AMAZON-02, US 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, 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 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 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 /11:100 /12:301 /13:592 /14:1204 /15:2072 /16:13529 /17:8268 /18:13767 /19:24892 /20:41852 /21:50542 /22:107101 /23:93340 /24:510606 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5782 6839 UNI2-AS, ES 8151 4401 10579 Uninet S.A. de C.V., MX 11492 3533 4580 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 8551 3024 3559 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3003 4026 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2258 2603 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1921 2466 Instituto Costarricense de Electricidad y Telec Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1883 2:986 3:148 4:18 5:3685 6:101 7:5 8:1518 11:172 12:1701 13:408 14:2307 15:135 16:35 17:373 18:130 20:143 21:4 22:188 23:5351 24:2335 25:4 27:2577 29:19 31:2433 32:103 34:1 35:49 36:1746 37:3903 38:2423 39:708 40:148 41:3911 42:1052 43:2099 44:294 45:15965 46:3844 47:273 49:1616 50:1887 51:106 52:1350 54:290 55:729 56:4 57:56 58:1634 59:1036 60:947 61:2249 62:2405 63:1940 64:5395 65:2319 66:4909 67:2916 68:1182 69:4138 70:1340 71:675 72:3043 74:2611 75:1505 76:711 77:2124 78:1789 79:2776 80:1911 81:1499 82:1416 83:1191 84:1305 85:2835 86:689 87:1903 88:1004 89:3117 90:493 91:7513 92:1888 93:2563 94:3270 95:3600 96:1293 97:344 98:987 99:877 100:75 101:1299 102:1883 103:27741 104:4081 105:453 106:841 107:2408 108:739 109:4039 110:2036 111:3119 112:1934 113:1414 114:1547 115:1978 116:1864 117:2491 118:2295 119:1875 120:1594 121:965 122:2498 123:2102 124:1549 125:1982 128:1331 129:1136 130:889 131:2059 132:767 133:365 134:1915 135:280 136:842 137:858 138:2429 139:1219 140:856 141:1319 142:1225 143:1410 144:1226 145:333 146:1738 147:1436 148:2189 149:1607 150:858 151:1080 152:1776 153:443 154:3625 155:1361 156:1876 157:1210 158:994 159:2003 160:2350 161:1274 162:3429 163:1185 164:1671 165:1532 166:609 167:1699 168:3622 169:680 170:4306 171:821 172:2918 173:3028 174:1004 175:1133 176:3421 177:4524 178:3013 179:1973 180:2324 181:2687 182:3149 183:1916 184:2412 185:19156 186:4254 187:3482 188:3778 189:3123 190:8773 191:1299 192:10966 193:8477 194:6925 195:4953 196:2878 197:2376 198:5945 199:5949 200:7382 201:5694 202:10186 203:10010 204:4491 205:3398 206:3738 207:3278 208:3980 209:4577 210:3994 211:2336 212:3872 213:3351 214:1152 215:64 216:6364 217:2623 218:1187 219:442 220:1693 221:983 222:672 223:2110 End of report