Global R&E Routing Table Report 23:05 GMT Mon 27 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: 868443 Prefixes after maximum aggregation (per Origin AS): 330262 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 424064 Total ASes present in the Internet Routing Table: 72310 Prefixes per ASN: 12.01 Origin-only ASes present in the Internet Routing Table: 62094 Origin ASes announcing only one prefix: 25643 Transit ASes present in the Internet Routing Table: 10216 Transit-only ASes present in the Internet Routing Table: 372 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: 890 Number of instances of unregistered ASNs: 893 Number of 32-bit ASNs allocated by the RIRs: 38184 Number of 32-bit ASNs visible in the Routing Table: 31659 Prefixes from 32-bit ASNs in the Routing Table: 146944 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: 716 Number of addresses announced to Internet: 3072455168 Equivalent to 183 /8s, 33 /16s and 242 /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: 290879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 226127 Total APNIC prefixes after maximum aggregation: 64663 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 221015 Unique aggregates announced from the APNIC address blocks: 93320 APNIC Region origin ASes present in the Internet Routing Table: 12115 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 3443 APNIC Region transit ASes present in the Internet Routing Table: 1676 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: 7368 Number of APNIC addresses announced to Internet: 772675584 Equivalent to 46 /8s, 14 /16s and 24 /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: 255997 Total ARIN prefixes after maximum aggregation: 118024 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255594 Unique aggregates announced from the ARIN address blocks: 122447 ARIN Region origin ASes present in the Internet Routing Table: 18848 ARIN Prefixes per ASN: 13.56 ARIN Region origin ASes announcing only one prefix: 6851 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: 4243 Number of ARIN addresses announced to Internet: 1300830464 Equivalent to 77 /8s, 137 /16s and 25 /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: 244664 Total RIPE prefixes after maximum aggregation: 114567 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 241074 Unique aggregates announced from the RIPE address blocks: 148319 RIPE Region origin ASes present in the Internet Routing Table: 28158 RIPE Prefixes per ASN: 8.56 RIPE Region origin ASes announcing only one prefix: 12152 RIPE Region transit ASes present in the Internet Routing Table: 3977 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: 10584 Number of RIPE addresses announced to Internet: 713585920 Equivalent to 42 /8s, 136 /16s and 117 /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: 113212 Total LACNIC prefixes after maximum aggregation: 27079 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114017 Unique aggregates announced from the LACNIC address blocks: 47759 LACNIC Region origin ASes present in the Internet Routing Table: 10858 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2180 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: 8547 Number of LACNIC addresses announced to Internet: 176382976 Equivalent to 10 /8s, 131 /16s and 100 /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: 27553 Total AfriNIC prefixes after maximum aggregation: 5270 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 36027 Unique aggregates announced from the AfriNIC address blocks: 11574 AfriNIC Region origin ASes present in the Internet Routing Table: 1584 AfriNIC Prefixes per ASN: 22.74 AfriNIC Region origin ASes announcing only one prefix: 553 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: 917 Number of AfriNIC addresses announced to Internet: 108532736 Equivalent to 6 /8s, 120 /16s and 20 /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 8720 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5837 787 680 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 2208 474 231 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 6054 10130 2597 AMAZON-02, US 11492 4571 303 817 CABLEONE, US 22773 4026 3032 384 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3669 1891 2563 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 6843 1732 149 UNI2-AS, ES 20940 3863 3359 190 AKAMAI-ASN1, NL 8551 3559 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2899 2284 901 ROSTELECOM-AS, RU 9009 2533 260 1349 M247, GB 34984 2206 357 599 TELLCOM-AS, TR 58224 1764 921 573 TCI, IR 61317 1614 214 928 ASDETUK www.heficed.com, GB 13188 1609 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 10581 3451 583 Uninet S.A. de C.V., MX 10620 3258 490 839 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 1299 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 10581 3451 583 Uninet S.A. de C.V., MX 9808 8720 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6843 1732 149 UNI2-AS, ES 16509 6054 10130 2597 AMAZON-02, US 7545 5837 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4571 303 817 CABLEONE, US 22773 4026 3032 384 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3863 3359 190 AKAMAI-ASN1, NL 16625 3669 1891 2563 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 8720 8666 CHINAMOBILE-CN China Mobile Communications Grou 12479 6843 6694 UNI2-AS, ES 7545 5837 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4571 3754 CABLEONE, US 20940 3863 3673 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 6054 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 /17:8271 /18:13770 /19:24890 /20:41854 /21:50543 /22:107127 /23:93389 /24:510724 /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 5786 6843 UNI2-AS, ES 8151 4403 10581 Uninet S.A. de C.V., MX 11492 3524 4571 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) ---------------------------------------------- 1:1873 2:987 3:148 4:18 5:3684 6:102 7:5 8:1519 11:172 12:1700 13:408 14:2308 15:135 16:35 17:373 18:130 20:143 21:4 22:188 23:5353 24:2331 25:4 27:2578 29:19 31:2429 32:103 34:1 35:49 36:1749 37:3911 38:2429 39:691 40:148 41:3912 42:1051 43:2093 44:294 45:15953 46:3844 47:271 49:1603 50:1886 51:106 52:1350 54:290 55:725 56:4 57:56 58:1657 59:1038 60:947 61:2265 62:2409 63:1937 64:5393 65:2319 66:4908 67:2918 68:1182 69:4136 70:1341 71:675 72:3042 74:2615 75:1505 76:711 77:2136 78:1789 79:2776 80:1910 81:1501 82:1417 83:1192 84:1307 85:2838 86:689 87:1903 88:1004 89:3120 90:493 91:7517 92:1890 93:2567 94:3267 95:3599 96:1293 97:344 98:987 99:878 100:75 101:1299 102:1888 103:27773 104:4085 105:453 106:845 107:2406 108:740 109:4036 110:2035 111:3120 112:1934 113:1409 114:1546 115:1978 116:1867 117:2495 118:2294 119:1873 120:1595 121:969 122:2499 123:2102 124:1555 125:1985 128:1325 129:1136 130:889 131:2056 132:770 133:365 134:1915 135:284 136:842 137:857 138:2441 139:1218 140:856 141:1317 142:1224 143:1408 144:1228 145:333 146:1745 147:1437 148:2190 149:1603 150:865 151:1081 152:1776 153:443 154:3567 155:1363 156:1874 157:1210 158:992 159:2001 160:2349 161:1274 162:3434 163:1185 164:1665 165:1539 166:609 167:1709 168:3643 169:680 170:4313 171:821 172:2918 173:3023 174:1004 175:1137 176:3425 177:4524 178:3019 179:1972 180:2344 181:2689 182:3150 183:1919 184:2412 185:19172 186:4257 187:3496 188:3775 189:3121 190:8762 191:1315 192:10966 193:8475 194:6929 195:4952 196:2884 197:2353 198:5940 199:5944 200:7379 201:5696 202:10172 203:10010 204:4498 205:3400 206:3739 207:3279 208:3978 209:4572 210:3994 211:2336 212:3873 213:3352 214:1156 215:64 216:6362 217:2622 218:1194 219:442 220:1693 221:984 222:673 223:2111 End of report