Global R&E Routing Table Report 23:05 GMT Fri 17 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: 866781 Prefixes after maximum aggregation (per Origin AS): 329877 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 423560 Total ASes present in the Internet Routing Table: 72235 Prefixes per ASN: 12.00 Origin-only ASes present in the Internet Routing Table: 62020 Origin ASes announcing only one prefix: 25625 Transit ASes present in the Internet Routing Table: 10215 Transit-only ASes present in the Internet Routing Table: 365 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: 878 Number of instances of unregistered ASNs: 879 Number of 32-bit ASNs allocated by the RIRs: 38107 Number of 32-bit ASNs visible in the Routing Table: 31583 Prefixes from 32-bit ASNs in the Routing Table: 146066 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 819 Number of addresses announced to Internet: 3072194816 Equivalent to 183 /8s, 29 /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: 289982 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225686 Total APNIC prefixes after maximum aggregation: 64447 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220839 Unique aggregates announced from the APNIC address blocks: 93199 APNIC Region origin ASes present in the Internet Routing Table: 12073 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3422 APNIC Region transit ASes present in the Internet Routing Table: 1683 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: 7327 Number of APNIC addresses announced to Internet: 772666368 Equivalent to 46 /8s, 13 /16s and 244 /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: 255711 Total ARIN prefixes after maximum aggregation: 117948 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255182 Unique aggregates announced from the ARIN address blocks: 122327 ARIN Region origin ASes present in the Internet Routing Table: 18830 ARIN Prefixes per ASN: 13.55 ARIN Region origin ASes announcing only one prefix: 6842 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4238 Number of ARIN addresses announced to Internet: 1300696576 Equivalent to 77 /8s, 135 /16s and 14 /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: 243913 Total RIPE prefixes after maximum aggregation: 114492 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 240307 Unique aggregates announced from the RIPE address blocks: 148181 RIPE Region origin ASes present in the Internet Routing Table: 28160 RIPE Prefixes per ASN: 8.53 RIPE Region origin ASes announcing only one prefix: 12162 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: 10568 Number of RIPE addresses announced to Internet: 713717760 Equivalent to 42 /8s, 138 /16s and 120 /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: 113072 Total LACNIC prefixes after maximum aggregation: 27068 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113846 Unique aggregates announced from the LACNIC address blocks: 47680 LACNIC Region origin ASes present in the Internet Routing Table: 10854 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2168 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: 8538 Number of LACNIC addresses announced to Internet: 176247552 Equivalent to 10 /8s, 129 /16s and 83 /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: 27521 Total AfriNIC prefixes after maximum aggregation: 5268 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 35788 Unique aggregates announced from the AfriNIC address blocks: 11434 AfriNIC Region origin ASes present in the Internet Routing Table: 1582 AfriNIC Prefixes per ASN: 22.62 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: 912 Number of AfriNIC addresses announced to Internet: 108311040 Equivalent to 6 /8s, 116 /16s and 178 /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 8735 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5837 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3482 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3250 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2238 11118 573 KIXS-AS-KR Korea Telecom, KR 9498 2216 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2120 429 203 TATACOMM-AS TATA Communications formerl 45090 2103 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2005 845 354 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 6039 10080 2589 AMAZON-02, US 11492 4580 303 821 CABLEONE, US 22773 4029 3036 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3660 1887 2548 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2604 374 140 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2525 5043 433 CENTURYLINK-US-LEGACY-QWEST, US 20115 2237 3033 503 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 6842 1733 150 UNI2-AS, ES 20940 3862 3360 190 AKAMAI-ASN1, NL 8551 3500 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2888 2280 891 ROSTELECOM-AS, RU 9009 2598 274 1387 M247, GB 34984 2202 355 605 TELLCOM-AS, TR 58224 1759 919 576 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1587 213 924 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 10556 3450 581 Uninet S.A. de C.V., MX 10620 3256 491 831 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1637 283 461 Mega Cable, S.A. de C.V., MX 28573 1376 2324 258 CLARO S.A., BR 6503 1360 354 528 Axtel, S.A.B. de C.V., MX 3816 1243 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1091 370 21 Telefonica del Peru S.A.A., PE 11664 993 190 443 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 1626 393 21 LINKdotNET-AS, EG 24835 1546 499 32 RAYA-AS, EG 36992 1286 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 515 50 32 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 10556 3450 581 Uninet S.A. de C.V., MX 9808 8735 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6842 1733 150 UNI2-AS, ES 16509 6039 10080 2589 AMAZON-02, US 7545 5837 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4580 303 821 CABLEONE, US 22773 4029 3036 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3862 3360 190 AKAMAI-ASN1, NL 16625 3660 1887 2548 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 8735 8681 CHINAMOBILE-CN China Mobile Communications Grou 12479 6842 6692 UNI2-AS, ES 7545 5837 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4580 3759 CABLEONE, US 20940 3862 3672 AKAMAI-ASN1, NL 22773 4029 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 8551 3500 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6039 3450 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 /12:300 /13:592 /14:1204 /15:2077 /16:13532 /17:8277 /18:13770 /19:24893 /20:41881 /21:50519 /22:107112 /23:93363 /24:509085 /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 5777 6842 UNI2-AS, ES 8151 4381 10556 Uninet S.A. de C.V., MX 11492 3533 4580 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 22773 3003 4029 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2965 3500 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2259 2604 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 2:1009 3:148 4:18 5:3674 6:102 7:5 8:1500 11:172 12:1701 13:407 14:2299 15:135 16:34 17:373 18:130 20:143 21:4 22:188 23:5333 24:2333 25:2 27:2577 29:19 31:2418 32:103 34:1 35:49 36:1747 37:3907 38:2411 39:694 40:135 41:3900 42:1038 43:2088 44:294 45:15676 46:3714 47:269 49:1623 50:1883 51:106 52:1348 54:287 55:737 56:4 57:56 58:1640 59:1046 60:947 61:2250 62:2402 63:1941 64:5399 65:2306 66:4914 67:2916 68:1180 69:4103 70:1339 71:675 72:3047 74:2607 75:1505 76:711 77:2133 78:1791 79:2765 80:1889 81:1496 82:1412 83:1181 84:1306 85:2826 86:700 87:1904 88:1005 89:3092 90:492 91:7512 92:1885 93:2560 94:3244 95:3595 96:1293 97:344 98:986 99:879 100:75 101:1299 102:1861 103:27708 104:4084 105:442 106:846 107:2407 108:739 109:3976 110:2047 111:3120 112:1938 113:1420 114:1545 115:1986 116:1862 117:2482 118:2295 119:1882 120:1597 121:967 122:2493 123:2099 124:1547 125:1968 128:1324 129:1109 130:890 131:2070 132:775 133:365 134:1909 135:287 136:846 137:866 138:2443 139:1202 140:845 141:1334 142:1226 143:1403 144:1229 145:332 146:1726 147:1421 148:2201 149:1559 150:860 151:1072 152:1664 153:445 154:3558 155:1360 156:1873 157:1219 158:993 159:2009 160:2377 161:1264 162:3403 163:1180 164:1658 165:1552 166:611 167:1694 168:3620 169:672 170:4290 171:814 172:2912 173:3029 174:1002 175:1147 176:3420 177:4519 178:3014 179:1972 180:2329 181:2658 182:3150 183:1917 184:2415 185:19136 186:4250 187:3496 188:3494 189:3095 190:8730 191:1313 192:10991 193:8477 194:6915 195:4951 196:2922 197:2345 198:5942 199:5952 200:7364 201:5660 202:10182 203:9997 204:4495 205:3384 206:3749 207:3288 208:3970 209:4570 210:3984 211:2305 212:3882 213:3361 214:1153 215:64 216:6356 217:2620 218:1187 219:443 220:1688 221:983 222:673 223:2104 End of report