IPv4 R&E Routing Table Report 23:05 GMT Tue 16 Aug, 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: 891010 Prefixes after maximum aggregation (per Origin AS): 338927 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438291 Number of IPv4 prefixes with a valid ROA: 345279 Number of IPv4 prefixes with an invalid ROA: 1401 Number of IPv4 prefixes with no ROA: 544330 Total ASes present in the Internet Routing Table: 73390 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62981 Origin ASes announcing only one prefix: 25979 Transit ASes present in the Internet Routing Table: 10409 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 945 Number of instances of unregistered ASNs: 945 Number of 32-bit ASNs allocated by the RIRs: 39989 Number of 32-bit ASNs visible in the Routing Table: 33152 Prefixes from 32-bit ASNs in the Routing Table: 157839 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3070375936 Equivalent to 183 /8s, 2 /16s and 56 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299638 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230428 Total APNIC prefixes after maximum aggregation: 66601 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225538 Unique aggregates announced from the APNIC address blocks: 96329 APNIC Region origin ASes present in the Internet Routing Table: 12798 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3705 APNIC Region transit ASes present in the Internet Routing Table: 1757 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8088 Number of APNIC addresses announced to Internet: 772687616 Equivalent to 46 /8s, 14 /16s and 71 /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: 263249 Total ARIN prefixes after maximum aggregation: 120519 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263456 Unique aggregates announced from the ARIN address blocks: 127444 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6934 ARIN Region transit ASes present in the Internet Routing Table: 1860 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4569 Number of ARIN addresses announced to Internet: 1295707136 Equivalent to 77 /8s, 58 /16s and 236 /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: 252578 Total RIPE prefixes after maximum aggregation: 117933 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249833 Unique aggregates announced from the RIPE address blocks: 153239 RIPE Region origin ASes present in the Internet Routing Table: 28186 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12075 RIPE Region transit ASes present in the Internet Routing Table: 4035 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10794 Number of RIPE addresses announced to Internet: 717635584 Equivalent to 42 /8s, 198 /16s and 64 /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: 115802 Total LACNIC prefixes after maximum aggregation: 27596 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115494 Unique aggregates announced from the LACNIC address blocks: 48923 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2242 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8707 Number of LACNIC addresses announced to Internet: 176301824 Equivalent to 10 /8s, 130 /16s and 39 /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: 28008 Total AfriNIC prefixes after maximum aggregation: 5556 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36182 Unique aggregates announced from the AfriNIC address blocks: 11924 AfriNIC Region origin ASes present in the Internet Routing Table: 1663 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 994 Number of AfriNIC addresses announced to Internet: 107761664 Equivalent to 6 /8s, 108 /16s and 80 /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 9069 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5916 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2162 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 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 6814 10395 2732 AMAZON-02, US 11492 4553 302 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3822 3063 346 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1787 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2600 369 282 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3387 361 GOOGLE-CLOUD-PLATFORM, US 209 2366 4936 404 CENTURYLINK-US-LEGACY-QWEST, 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 6860 1730 144 UNI2-AS, ES 20940 4046 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2590 252 1323 M247, GB 34984 2248 358 631 TELLCOM-AS, TR 58224 1759 927 532 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 10836 3399 558 Uninet S.A. de C.V., MX 10620 3486 515 782 Telmex Colombia S.A., CO 11830 2382 369 64 Instituto Costarricense de Electricidad 13999 1939 315 520 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 369 21 Telefonica del Peru S.A.A., PE 11664 1049 176 461 Techtel LMDS Comunicaciones Interactiva 26615 978 2466 43 TIM SA, BR 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 24835 1546 521 31 RAYA-AS, EG 24863 1532 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 984 67 46 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10836 3399 558 Uninet S.A. de C.V., MX 9808 9069 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6860 1730 144 UNI2-AS, ES 16509 6814 10395 2732 AMAZON-02, US 7545 5916 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4553 302 570 CABLEONE, US 20940 4046 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 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 9069 9022 CHINAMOBILE-CN China Mobile Communications Grou 12479 6860 6716 UNI2-AS, ES 7545 5916 5219 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6814 4082 AMAZON-02, US 11492 4553 3983 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4046 3852 AKAMAI-ASN1, NL 7552 3583 3563 VIETEL-AS-AP Viettel Group, VN 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:39 /11:101 /12:303 /13:592 /14:1204 /15:2097 /16:13457 /17:8219 /18:13800 /19:24714 /20:43096 /21:50791 /22:107713 /23:95573 /24:529276 /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 5846 6860 UNI2-AS, ES 8151 4559 10836 Uninet S.A. de C.V., MX 11492 3468 4553 CABLEONE, US 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2840 3822 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2256 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1947 2:1027 3:157 4:5 5:3850 6:112 7:6 8:1548 9:1 11:172 12:1647 13:332 14:2351 15:243 16:46 17:383 18:192 20:241 21:4 22:188 23:5820 24:2388 25:6 27:2613 29:19 31:2415 32:92 34:7 35:88 36:1850 37:4457 38:3398 39:722 40:152 41:3893 42:1131 43:2196 44:289 45:16042 46:4147 47:302 49:1712 50:1945 51:236 52:1460 54:382 55:843 56:8 57:59 58:1725 59:1119 60:966 61:2287 62:2541 63:1926 64:5561 65:2359 66:4832 67:2979 68:1204 69:4140 70:1312 71:681 72:3013 74:2634 75:1399 76:577 77:2243 78:1909 79:3124 80:2035 81:1647 82:1495 83:1214 84:1366 85:2965 86:744 87:1910 88:1193 89:3393 90:547 91:7630 92:2042 93:2539 94:3513 95:3876 96:1301 97:350 98:1023 99:718 100:77 101:1292 102:2255 103:29634 104:4536 105:470 106:881 107:2544 108:870 109:4330 110:1996 111:3283 112:2041 113:1469 114:1479 115:1985 116:1880 117:2447 118:2304 119:1869 120:1758 121:1023 122:2497 123:2067 124:1536 125:2036 128:1186 129:1037 130:993 131:2046 132:770 133:378 134:1936 135:301 136:856 137:872 138:2506 139:1508 140:933 141:1448 142:1311 143:1393 144:1200 145:341 146:1844 147:1490 148:2205 149:1765 150:860 151:1074 152:1866 153:465 154:3684 155:1460 156:1721 157:1278 158:1031 159:2210 160:2507 161:1320 162:3495 163:1359 164:1632 165:1643 166:777 167:1782 168:3811 169:884 170:4505 171:834 172:3320 173:3120 174:1028 175:1147 176:3643 177:4727 178:3545 179:2211 180:2367 181:3230 182:3196 183:1935 184:2378 185:19623 186:4470 187:3833 188:3975 189:3398 190:8957 191:1439 192:10967 193:8683 194:7084 195:5049 196:3031 197:2410 198:5959 199:6023 200:7547 201:5785 202:10110 203:9992 204:4514 205:3442 206:3676 207:3384 208:4042 209:4675 210:4148 211:2299 212:4005 213:3456 214:1140 215:65 216:6382 217:2640 218:1263 219:407 220:1753 221:949 222:654 223:1968 End of report