Global R&E Routing Table Report 23:05 GMT Sun 05 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: 864933 Prefixes after maximum aggregation (per Origin AS): 328764 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 421833 Total ASes present in the Internet Routing Table: 72173 Prefixes per ASN: 11.98 Origin-only ASes present in the Internet Routing Table: 61951 Origin ASes announcing only one prefix: 25617 Transit ASes present in the Internet Routing Table: 10222 Transit-only ASes present in the Internet Routing Table: 383 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 852 Number of instances of unregistered ASNs: 855 Number of 32-bit ASNs allocated by the RIRs: 38004 Number of 32-bit ASNs visible in the Routing Table: 31478 Prefixes from 32-bit ASNs in the Routing Table: 145437 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 840 Number of addresses announced to Internet: 3073055488 Equivalent to 183 /8s, 43 /16s and 27 /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: 289393 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225347 Total APNIC prefixes after maximum aggregation: 64284 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 220508 Unique aggregates announced from the APNIC address blocks: 93022 APNIC Region origin ASes present in the Internet Routing Table: 12047 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 3436 APNIC Region transit ASes present in the Internet Routing Table: 1690 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7298 Number of APNIC addresses announced to Internet: 773598720 Equivalent to 46 /8s, 28 /16s and 46 /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: 255049 Total ARIN prefixes after maximum aggregation: 117672 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 254616 Unique aggregates announced from the ARIN address blocks: 122155 ARIN Region origin ASes present in the Internet Routing Table: 18852 ARIN Prefixes per ASN: 13.51 ARIN Region origin ASes announcing only one prefix: 6847 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4227 Number of ARIN addresses announced to Internet: 1300841728 Equivalent to 77 /8s, 137 /16s and 69 /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: 243391 Total RIPE prefixes after maximum aggregation: 113947 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 239567 Unique aggregates announced from the RIPE address blocks: 147031 RIPE Region origin ASes present in the Internet Routing Table: 28146 RIPE Prefixes per ASN: 8.51 RIPE Region origin ASes announcing only one prefix: 12153 RIPE Region transit ASes present in the Internet Routing Table: 3978 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: 10555 Number of RIPE addresses announced to Internet: 713547776 Equivalent to 42 /8s, 135 /16s and 224 /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: 112859 Total LACNIC prefixes after maximum aggregation: 26930 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 113716 Unique aggregates announced from the LACNIC address blocks: 47583 LACNIC Region origin ASes present in the Internet Routing Table: 10803 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2629 LACNIC Region transit ASes present in the Internet Routing Table: 2146 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8488 Number of LACNIC addresses announced to Internet: 176303360 Equivalent to 10 /8s, 130 /16s and 45 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 27435 Total AfriNIC prefixes after maximum aggregation: 5289 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 35686 Unique aggregates announced from the AfriNIC address blocks: 11276 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.57 AfriNIC Region origin ASes announcing only one prefix: 552 AfriNIC Region transit ASes present in the Internet Routing Table: 314 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 910 Number of AfriNIC addresses announced to Internet: 108224512 Equivalent to 6 /8s, 115 /16s and 96 /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 8728 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5858 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3484 1022 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3241 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2251 11374 574 KIXS-AS-KR Korea Telecom, KR 9498 2190 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4755 2118 429 201 TATACOMM-AS TATA Communications formerl 45090 2103 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 1997 840 366 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 6011 10028 2591 AMAZON-02, US 11492 4594 304 819 CABLEONE, US 22773 4014 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3667 1890 2550 AKAMAI-AS, US 6327 3389 1318 63 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2605 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2525 5043 436 CENTURYLINK-US-LEGACY-QWEST, US 20115 2236 3032 502 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 6847 1733 150 UNI2-AS, ES 20940 3873 3360 190 AKAMAI-ASN1, NL 8551 3451 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2889 2279 898 ROSTELECOM-AS, RU 9009 2565 264 1346 M247, GB 34984 2203 355 597 TELLCOM-AS, TR 58224 1756 917 578 TCI, IR 61317 1662 215 938 ASDETUK www.heficed.com, GB 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 10496 3450 583 Uninet S.A. de C.V., MX 10620 3251 491 832 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1623 286 456 Mega Cable, S.A. de C.V., MX 6503 1436 355 523 Axtel, S.A.B. de C.V., MX 28573 1363 2317 261 CLARO S.A., BR 3816 1239 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 136 TIM SA, BR 6147 1089 370 21 Telefonica del Peru S.A.A., PE 11664 981 189 442 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 1625 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1287 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 825 68 11 ORANGE-COTE-IVOIRE, CI 36935 704 523 44 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 50 31 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 10496 3450 583 Uninet S.A. de C.V., MX 9808 8728 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6847 1733 150 UNI2-AS, ES 16509 6011 10028 2591 AMAZON-02, US 7545 5858 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4594 304 819 CABLEONE, US 22773 4014 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3873 3360 190 AKAMAI-ASN1, NL 16625 3667 1890 2550 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 8728 8674 CHINAMOBILE-CN China Mobile Communications Grou 12479 6847 6697 UNI2-AS, ES 7545 5858 5178 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4594 3775 CABLEONE, US 20940 3873 3683 AKAMAI-ASN1, NL 22773 4014 3645 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3588 3569 VIETEL-AS-AP Viettel Group, VN 7713 3484 3428 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 16509 6011 3420 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 22442 HOU-PHONOSCOPE, 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 /11:99 /12:302 /13:594 /14:1205 /15:2081 /16:13529 /17:8239 /18:13760 /19:24863 /20:41762 /21:50342 /22:106974 /23:93252 /24:507854 /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 5778 6847 UNI2-AS, ES 8151 4327 10496 Uninet S.A. de C.V., MX 11492 3547 4594 CABLEONE, US 6327 3199 3389 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 2992 4014 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2916 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2260 2605 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) ---------------------------------------------- 1:1904 2:1020 3:144 4:18 5:3706 6:100 7:5 8:1511 11:172 12:1706 13:408 14:2293 15:133 16:32 17:374 18:130 20:142 21:4 22:188 23:5315 24:2334 25:2 27:2568 29:19 31:2380 32:103 34:1 35:48 36:1729 37:3920 38:2380 39:659 40:148 41:3898 42:1042 43:2080 44:294 45:15608 46:3679 47:270 49:1642 50:1876 51:104 52:1346 54:289 55:731 56:4 57:56 58:1633 59:1043 60:940 61:2253 62:2388 63:1950 64:5397 65:2308 66:4906 67:2907 68:1183 69:4096 70:1344 71:675 72:3078 74:2606 75:1501 76:711 77:2130 78:1751 79:2708 80:1888 81:1481 82:1413 83:1173 84:1287 85:2814 86:700 87:1889 88:976 89:3111 90:478 91:7485 92:1881 93:2567 94:3220 95:3601 96:1294 97:343 98:984 99:898 100:76 101:1303 102:1835 103:27519 104:4083 105:429 106:846 107:2385 108:740 109:3994 110:2060 111:3095 112:1964 113:1443 114:1528 115:1978 116:1879 117:2467 118:2295 119:1879 120:1584 121:1001 122:2514 123:2112 124:1543 125:1981 128:1321 129:1106 130:904 131:2076 132:769 133:364 134:1906 135:286 136:802 137:855 138:2429 139:1203 140:807 141:1315 142:1224 143:1369 144:1256 145:330 146:1701 147:1463 148:2202 149:1567 150:849 151:1065 152:1654 153:443 154:3418 155:1351 156:1846 157:1199 158:988 159:2021 160:2333 161:1272 162:3403 163:1173 164:1662 165:1517 166:607 167:1680 168:3621 169:677 170:4290 171:810 172:2877 173:3029 174:1006 175:1138 176:3411 177:4481 178:3011 179:1944 180:2315 181:2629 182:3112 183:1921 184:2411 185:19077 186:4259 187:3502 188:3493 189:3095 190:8696 191:1329 192:10997 193:8445 194:6883 195:4922 196:2906 197:2347 198:5954 199:5979 200:7378 201:5540 202:10216 203:10027 204:4490 205:3368 206:3760 207:3296 208:3993 209:4610 210:3990 211:2305 212:3867 213:3407 214:1149 215:62 216:6350 217:2598 218:1189 219:455 220:1693 221:983 222:678 223:2108 End of report