IPv4 R&E Routing Table Report 23:05 GMT Sat 28 May, 2022 IPv4 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: 883493 Prefixes after maximum aggregation (per Origin AS): 336177 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433102 Number of IPv4 prefixes with a valid ROA: 326852 Number of IPv4 prefixes with an invalid ROA: 1280 Number of IPv4 prefixes with no ROA: 555361 Total ASes present in the Internet Routing Table: 73009 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62701 Origin ASes announcing only one prefix: 25742 Transit ASes present in the Internet Routing Table: 10308 Transit-only ASes present in the Internet Routing Table: 382 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 54 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 912 Number of instances of unregistered ASNs: 917 Number of 32-bit ASNs allocated by the RIRs: 39492 Number of 32-bit ASNs visible in the Routing Table: 32687 Prefixes from 32-bit ASNs in the Routing Table: 153856 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3065278976 Equivalent to 182 /8s, 180 /16s and 114 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 297295 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228810 Total APNIC prefixes after maximum aggregation: 66182 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224064 Unique aggregates announced from the APNIC address blocks: 94957 APNIC Region origin ASes present in the Internet Routing Table: 12595 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 3610 APNIC Region transit ASes present in the Internet Routing Table: 1731 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7865 Number of APNIC addresses announced to Internet: 773457408 Equivalent to 46 /8s, 26 /16s and 6 /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: 261183 Total ARIN prefixes after maximum aggregation: 120043 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260993 Unique aggregates announced from the ARIN address blocks: 126186 ARIN Region origin ASes present in the Internet Routing Table: 18968 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6913 ARIN Region transit ASes present in the Internet Routing Table: 1866 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4489 Number of ARIN addresses announced to Internet: 1293308160 Equivalent to 77 /8s, 22 /16s and 81 /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: 250106 Total RIPE prefixes after maximum aggregation: 116441 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247600 Unique aggregates announced from the RIPE address blocks: 151202 RIPE Region origin ASes present in the Internet Routing Table: 28113 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12005 RIPE Region transit ASes present in the Internet Routing Table: 4004 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10705 Number of RIPE addresses announced to Internet: 714093056 Equivalent to 42 /8s, 144 /16s and 50 /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: 114575 Total LACNIC prefixes after maximum aggregation: 27362 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114421 Unique aggregates announced from the LACNIC address blocks: 48623 LACNIC Region origin ASes present in the Internet Routing Table: 10944 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2202 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8661 Number of LACNIC addresses announced to Internet: 176453632 Equivalent to 10 /8s, 132 /16s and 120 /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: 27907 Total AfriNIC prefixes after maximum aggregation: 5484 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35909 Unique aggregates announced from the AfriNIC address blocks: 11717 AfriNIC Region origin ASes present in the Internet Routing Table: 1639 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 566 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 967 Number of AfriNIC addresses announced to Internet: 107679744 Equivalent to 6 /8s, 107 /16s and 16 /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 9194 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5926 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 425 214 TATACOMM-AS TATA Communications formerl 24560 2048 852 384 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 6497 10363 2814 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3915 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3531 1818 2526 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2867 50793 2125 DNIC-AS-00749, US 30036 2625 374 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2446 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 492 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 6813 1730 150 UNI2-AS, ES 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3956 3360 193 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2470 246 1276 M247, GB 34984 2240 357 629 TELLCOM-AS, TR 58224 1814 931 607 TCI, IR 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 10659 3404 555 Uninet S.A. de C.V., MX 10620 3482 519 738 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1835 303 473 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1357 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 956 65 64 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 513 51 34 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 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 10659 3404 555 Uninet S.A. de C.V., MX 9808 9194 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6813 1730 150 UNI2-AS, ES 16509 6497 10363 2814 AMAZON-02, US 7545 5926 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 659 CABLEONE, US 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3956 3360 193 AKAMAI-ASN1, NL 22773 3915 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, 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 9194 9154 CHINAMOBILE-CN China Mobile Communications Grou 12479 6813 6663 UNI2-AS, ES 7545 5926 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3956 3763 AKAMAI-ASN1, NL 16509 6497 3683 AMAZON-02, US 22773 3915 3553 ASN-CXA-ALL-CCI-22773-RDC, 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 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 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /12:303 /13:587 /14:1201 /15:2095 /16:13496 /17:8238 /18:13759 /19:24808 /20:42686 /21:50780 /22:107045 /23:94631 /24:523689 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5786 6813 UNI2-AS, ES 8151 4379 10659 Uninet S.A. de C.V., MX 8551 3467 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3915 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2282 2625 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1017 3:155 4:6 5:3795 6:103 7:5 8:1525 9:1 11:172 12:1704 13:295 14:2371 15:202 16:42 17:383 18:164 20:212 21:4 22:188 23:5641 24:2310 25:6 27:2601 29:19 31:2432 32:92 34:4 35:82 36:1795 37:4441 38:2891 39:704 40:152 41:3967 42:1110 43:2169 44:291 45:16052 46:4131 47:297 49:1675 50:2170 51:108 52:1434 54:372 55:757 56:8 57:59 58:1665 59:1110 60:957 61:2257 62:2525 63:1937 64:5511 65:2334 66:4825 67:2976 68:1192 69:4160 70:1330 71:684 72:3048 74:2641 75:1393 76:586 77:2160 78:1850 79:3115 80:1998 81:1607 82:1495 83:1206 84:1351 85:2924 86:712 87:1971 88:1124 89:3297 90:535 91:7618 92:2015 93:2588 94:3496 95:3893 96:1308 97:349 98:997 99:737 100:77 101:1272 102:2097 103:29070 104:4449 105:457 106:873 107:2524 108:834 109:4258 110:2020 111:3254 112:2034 113:1473 114:1476 115:1948 116:1890 117:2506 118:2315 119:1854 120:1666 121:1021 122:2545 123:2092 124:1530 125:2060 128:1185 129:1086 130:970 131:2043 132:794 133:378 134:1901 135:290 136:881 137:861 138:2427 139:1502 140:855 141:1413 142:1282 143:1431 144:1206 145:347 146:1800 147:1484 148:2219 149:1726 150:848 151:1078 152:1843 153:459 154:3453 155:1421 156:1751 157:1242 158:1046 159:2207 160:2529 161:1280 162:3454 163:1268 164:1648 165:1617 166:714 167:1735 168:3745 169:833 170:4472 171:829 172:3181 173:3106 174:1023 175:1131 176:3580 177:4655 178:3551 179:2028 180:2324 181:2977 182:3205 183:1951 184:2370 185:19507 186:4260 187:3783 188:3871 189:3281 190:8867 191:1311 192:10989 193:8615 194:7006 195:4944 196:2979 197:2372 198:5944 199:6029 200:7485 201:5716 202:10093 203:9991 204:4533 205:3422 206:3678 207:3335 208:4003 209:4635 210:4090 211:2347 212:4002 213:3418 214:1151 215:67 216:6453 217:2671 218:1262 219:405 220:1675 221:978 222:670 223:2118 End of report