Global R&E Routing Table Report 23:05 GMT Tue 07 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: 865564 Prefixes after maximum aggregation (per Origin AS): 328928 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 421855 Total ASes present in the Internet Routing Table: 72196 Prefixes per ASN: 11.99 Origin-only ASes present in the Internet Routing Table: 61988 Origin ASes announcing only one prefix: 25635 Transit ASes present in the Internet Routing Table: 10208 Transit-only ASes present in the Internet Routing Table: 370 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: 847 Number of instances of unregistered ASNs: 850 Number of 32-bit ASNs allocated by the RIRs: 38012 Number of 32-bit ASNs visible in the Routing Table: 31509 Prefixes from 32-bit ASNs in the Routing Table: 145630 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: 848 Number of addresses announced to Internet: 3073374464 Equivalent to 183 /8s, 47 /16s and 249 /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: 289600 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225613 Total APNIC prefixes after maximum aggregation: 64312 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 220787 Unique aggregates announced from the APNIC address blocks: 92979 APNIC Region origin ASes present in the Internet Routing Table: 12067 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 3433 APNIC Region transit ASes present in the Internet Routing Table: 1686 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: 7318 Number of APNIC addresses announced to Internet: 773597440 Equivalent to 46 /8s, 28 /16s and 41 /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: 255134 Total ARIN prefixes after maximum aggregation: 117712 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 254697 Unique aggregates announced from the ARIN address blocks: 122104 ARIN Region origin ASes present in the Internet Routing Table: 18860 ARIN Prefixes per ASN: 13.50 ARIN Region origin ASes announcing only one prefix: 6861 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4232 Number of ARIN addresses announced to Internet: 1301002240 Equivalent to 77 /8s, 139 /16s and 184 /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: 243471 Total RIPE prefixes after maximum aggregation: 114050 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 239654 Unique aggregates announced from the RIPE address blocks: 147145 RIPE Region origin ASes present in the Internet Routing Table: 28151 RIPE Prefixes per ASN: 8.51 RIPE Region origin ASes announcing only one prefix: 12158 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 713520640 Equivalent to 42 /8s, 135 /16s and 118 /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: 113083 Total LACNIC prefixes after maximum aggregation: 26945 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 113901 Unique aggregates announced from the LACNIC address blocks: 47561 LACNIC Region origin ASes present in the Internet Routing Table: 10810 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2149 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: 8496 Number of LACNIC addresses announced to Internet: 176409344 Equivalent to 10 /8s, 131 /16s and 203 /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: 27416 Total AfriNIC prefixes after maximum aggregation: 5274 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 35677 Unique aggregates announced from the AfriNIC address blocks: 11294 AfriNIC Region origin ASes present in the Internet Routing Table: 1580 AfriNIC Prefixes per ASN: 22.58 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 313 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: 908 Number of AfriNIC addresses announced to Internet: 108286976 Equivalent to 6 /8s, 116 /16s and 84 /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 8729 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5860 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 3245 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2239 11374 574 KIXS-AS-KR Korea Telecom, KR 9498 2191 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2119 429 201 TATACOMM-AS TATA Communications formerl 45090 2104 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 1998 841 361 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 6009 10060 2581 AMAZON-02, US 11492 4572 303 820 CABLEONE, US 22773 4015 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3657 1884 2545 AKAMAI-AS, US 6327 3389 1318 63 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2599 373 167 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 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 6852 1733 150 UNI2-AS, ES 20940 3860 3360 190 AKAMAI-ASN1, NL 8551 3496 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2885 2279 894 ROSTELECOM-AS, RU 9009 2566 264 1347 M247, GB 34984 2203 355 599 TELLCOM-AS, TR 58224 1713 899 624 TCI, IR 13188 1610 100 27 TRIOLAN, UA 61317 1600 214 929 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 10645 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 1617 286 456 Mega Cable, S.A. de C.V., MX 6503 1436 355 523 Axtel, S.A.B. de C.V., MX 28573 1365 2318 261 CLARO S.A., BR 3816 1239 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 136 TIM SA, BR 6147 1088 369 21 Telefonica del Peru S.A.A., PE 11664 985 189 440 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 1285 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 825 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 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 10645 3450 583 Uninet S.A. de C.V., MX 9808 8729 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6852 1733 150 UNI2-AS, ES 16509 6009 10060 2581 AMAZON-02, US 7545 5860 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4572 303 820 CABLEONE, US 22773 4015 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3860 3360 190 AKAMAI-ASN1, NL 16625 3657 1884 2545 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 8729 8675 CHINAMOBILE-CN China Mobile Communications Grou 12479 6852 6702 UNI2-AS, ES 7545 5860 5180 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4572 3752 CABLEONE, US 20940 3860 3670 AKAMAI-ASN1, NL 22773 4015 3646 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3588 3569 VIETEL-AS-AP Viettel Group, VN 8551 3496 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6009 3428 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 23.129.40.0/24 Origin: 400231 CNL-170, US 23.129.40.0/24 Transit: 265680 HNTELCO S.A, HN 23.129.56.0/24 Origin: 400261 TIL151, US 23.129.56.0/24 Transit: 265680 HNTELCO S.A, HN 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 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 /17:8233 /18:13757 /19:24860 /20:41807 /21:50347 /22:106999 /23:93297 /24:508377 /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 5784 6852 UNI2-AS, ES 8151 4466 10645 Uninet S.A. de C.V., MX 11492 3525 4572 CABLEONE, US 6327 3199 3389 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 2993 4015 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2961 3496 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2254 2599 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) ---------------------------------------------- 1:1906 2:1017 3:147 4:18 5:3704 6:100 7:5 8:1510 11:172 12:1700 13:411 14:2293 15:133 16:33 17:374 18:129 20:142 21:4 22:188 23:5319 24:2329 25:2 27:2569 29:19 31:2394 32:103 34:1 35:48 36:1730 37:3930 38:2385 39:658 40:148 41:3892 42:1047 43:2080 44:294 45:15644 46:3689 47:270 49:1654 50:1882 51:104 52:1346 54:285 55:725 56:4 57:56 58:1637 59:1043 60:942 61:2254 62:2391 63:1944 64:5377 65:2308 66:4894 67:2908 68:1181 69:4096 70:1344 71:675 72:3075 74:2604 75:1503 76:710 77:2140 78:1749 79:2744 80:1887 81:1482 82:1412 83:1176 84:1289 85:2817 86:700 87:1903 88:975 89:3111 90:478 91:7495 92:1879 93:2563 94:3224 95:3600 96:1295 97:343 98:986 99:898 100:78 101:1302 102:1841 103:27647 104:4084 105:424 106:844 107:2387 108:742 109:4005 110:2062 111:3096 112:1960 113:1443 114:1531 115:1977 116:1876 117:2482 118:2297 119:1880 120:1585 121:998 122:2515 123:2110 124:1543 125:1982 128:1321 129:1108 130:901 131:2073 132:771 133:365 134:1907 135:287 136:805 137:858 138:2430 139:1201 140:813 141:1316 142:1224 143:1418 144:1253 145:330 146:1706 147:1463 148:2196 149:1568 150:850 151:1057 152:1656 153:444 154:3414 155:1356 156:1843 157:1197 158:990 159:2022 160:2361 161:1267 162:3408 163:1170 164:1671 165:1521 166:611 167:1681 168:3629 169:678 170:4288 171:810 172:2887 173:3025 174:1003 175:1138 176:3421 177:4480 178:3014 179:1953 180:2314 181:2618 182:3122 183:1918 184:2410 185:19080 186:4269 187:3508 188:3492 189:3097 190:8709 191:1334 192:10997 193:8454 194:6886 195:4931 196:2907 197:2359 198:5943 199:5968 200:7379 201:5684 202:10224 203:10016 204:4497 205:3383 206:3739 207:3296 208:3991 209:4582 210:3989 211:2306 212:3860 213:3369 214:1150 215:64 216:6349 217:2600 218:1188 219:455 220:1693 221:984 222:679 223:2109 End of report