IPv4 R&E Routing Table Report 23:05 GMT Mon 11 Jul, 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: 887111 Prefixes after maximum aggregation (per Origin AS): 337590 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436131 Number of IPv4 prefixes with a valid ROA: 334764 Number of IPv4 prefixes with an invalid ROA: 1294 Number of IPv4 prefixes with no ROA: 551053 Total ASes present in the Internet Routing Table: 73200 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62821 Origin ASes announcing only one prefix: 25844 Transit ASes present in the Internet Routing Table: 10379 Transit-only ASes present in the Internet Routing Table: 408 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 965 Number of instances of unregistered ASNs: 969 Number of 32-bit ASNs allocated by the RIRs: 39775 Number of 32-bit ASNs visible in the Routing Table: 32914 Prefixes from 32-bit ASNs in the Routing Table: 156427 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3066407424 Equivalent to 182 /8s, 197 /16s and 170 /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: 298391 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229187 Total APNIC prefixes after maximum aggregation: 66312 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224336 Unique aggregates announced from the APNIC address blocks: 95521 APNIC Region origin ASes present in the Internet Routing Table: 12684 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3652 APNIC Region transit ASes present in the Internet Routing Table: 1737 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: 7961 Number of APNIC addresses announced to Internet: 772346112 Equivalent to 46 /8s, 9 /16s and 17 /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: 262477 Total ARIN prefixes after maximum aggregation: 120206 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262676 Unique aggregates announced from the ARIN address blocks: 127033 ARIN Region origin ASes present in the Internet Routing Table: 18970 ARIN Prefixes per ASN: 13.85 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1872 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: 4537 Number of ARIN addresses announced to Internet: 1295932672 Equivalent to 77 /8s, 62 /16s and 93 /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: 251409 Total RIPE prefixes after maximum aggregation: 117378 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248740 Unique aggregates announced from the RIPE address blocks: 152641 RIPE Region origin ASes present in the Internet Routing Table: 28142 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 4020 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10741 Number of RIPE addresses announced to Internet: 713579008 Equivalent to 42 /8s, 136 /16s and 90 /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: 115013 Total LACNIC prefixes after maximum aggregation: 27459 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114776 Unique aggregates announced from the LACNIC address blocks: 48773 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2245 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: 8690 Number of LACNIC addresses announced to Internet: 176479744 Equivalent to 10 /8s, 132 /16s and 222 /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: 28060 Total AfriNIC prefixes after maximum aggregation: 5509 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36074 Unique aggregates announced from the AfriNIC address blocks: 11735 AfriNIC Region origin ASes present in the Internet Routing Table: 1656 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 985 Number of AfriNIC addresses announced to Internet: 107775744 Equivalent to 6 /8s, 108 /16s and 135 /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 8984 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3507 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2108 849 402 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 6796 10397 2676 AMAZON-02, US 11492 4510 299 678 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3875 3069 355 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3467 1786 2507 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2990 50739 2248 DNIC-AS-00749, US 30036 2634 375 126 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2394 4936 412 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 6878 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3992 3360 195 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2672 355 21 UKRTELNET, UA 9009 2576 254 1333 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 58224 1774 933 559 TCI, IR 61317 1620 114 1062 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 10358 3397 563 Uninet S.A. de C.V., MX 10620 3475 514 776 Telmex Colombia S.A., CO 11830 2428 369 64 Instituto Costarricense de Electricidad 13999 1911 314 507 Mega Cable, S.A. de C.V., MX 28573 1359 2330 272 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1075 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 979 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 24863 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 966 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 401 232 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 10358 3397 563 Uninet S.A. de C.V., MX 9808 8984 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6878 1730 144 UNI2-AS, ES 16509 6796 10397 2676 AMAZON-02, US 7545 5919 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4510 299 678 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3992 3360 195 AKAMAI-ASN1, NL 7155 3902 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 8984 8938 CHINAMOBILE-CN China Mobile Communications Grou 12479 6878 6734 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6796 4120 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4510 3832 CABLEONE, US 20940 3992 3797 AKAMAI-ASN1, NL 7552 3571 3552 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 23.141.0.0/24 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /11:100 /12:302 /13:588 /14:1201 /15:2094 /16:13493 /17:8264 /18:13746 /19:24731 /20:43046 /21:50559 /22:107413 /23:95126 /24:526374 /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 5858 6878 UNI2-AS, ES 8151 4267 10358 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3417 4510 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2890 3875 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2530 2672 UKRTELNET, UA 30036 2291 2634 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1037 3:157 4:5 5:3814 6:109 7:6 8:1531 9:1 11:172 12:1646 13:343 14:2335 15:232 16:44 17:385 18:183 20:240 21:4 22:188 23:5755 24:2370 25:6 27:2611 29:19 31:2434 32:92 34:7 35:87 36:1830 37:4390 38:3224 39:717 40:152 41:3889 42:1116 43:2205 44:289 45:15956 46:4101 47:302 49:1687 50:1939 51:237 52:1452 54:386 55:850 56:8 57:60 58:1710 59:1109 60:961 61:2268 62:2515 63:1931 64:5519 65:2335 66:4854 67:2957 68:1189 69:4169 70:1319 71:681 72:3037 74:2630 75:1397 76:577 77:2218 78:1874 79:3134 80:1999 81:1631 82:1491 83:1208 84:1322 85:2947 86:728 87:1906 88:1153 89:3314 90:539 91:7602 92:2007 93:2544 94:3482 95:3835 96:1308 97:352 98:1010 99:753 100:77 101:1267 102:2172 103:29329 104:4529 105:468 106:874 107:2549 108:854 109:4303 110:1971 111:3272 112:2028 113:1465 114:1470 115:1969 116:1887 117:2431 118:2311 119:1836 120:1661 121:1027 122:2520 123:2082 124:1540 125:2042 128:1176 129:1047 130:975 131:2015 132:803 133:377 134:1935 135:306 136:891 137:858 138:2452 139:1520 140:894 141:1447 142:1278 143:1411 144:1204 145:355 146:1807 147:1509 148:2207 149:1734 150:863 151:1067 152:1848 153:464 154:3642 155:1439 156:1682 157:1266 158:1038 159:2226 160:2493 161:1277 162:3467 163:1297 164:1630 165:1630 166:755 167:1747 168:3794 169:884 170:4537 171:832 172:3262 173:3134 174:1017 175:1152 176:3565 177:4650 178:3544 179:2188 180:2359 181:3222 182:3213 183:1936 184:2344 185:19626 186:4343 187:3738 188:3967 189:3379 190:8931 191:1498 192:10961 193:8638 194:7054 195:4982 196:3037 197:2409 198:5933 199:6030 200:7482 201:5718 202:10114 203:10017 204:4522 205:3467 206:3681 207:3340 208:4008 209:4654 210:4139 211:2314 212:4022 213:3441 214:1140 215:67 216:6472 217:2640 218:1272 219:407 220:1721 221:962 222:660 223:1951 End of report