IPv4 R&E Routing Table Report 23:05 GMT Sat 09 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: 887317 Prefixes after maximum aggregation (per Origin AS): 337488 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 435936 Number of IPv4 prefixes with a valid ROA: 334675 Number of IPv4 prefixes with an invalid ROA: 1346 Number of IPv4 prefixes with no ROA: 551296 Total ASes present in the Internet Routing Table: 73172 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62795 Origin ASes announcing only one prefix: 25831 Transit ASes present in the Internet Routing Table: 10377 Transit-only ASes present in the Internet Routing Table: 406 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 976 Number of 32-bit ASNs allocated by the RIRs: 39767 Number of 32-bit ASNs visible in the Routing Table: 32895 Prefixes from 32-bit ASNs in the Routing Table: 156290 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: 515 Number of addresses announced to Internet: 3066910976 Equivalent to 182 /8s, 205 /16s and 89 /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: 298518 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229126 Total APNIC prefixes after maximum aggregation: 66299 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224278 Unique aggregates announced from the APNIC address blocks: 95494 APNIC Region origin ASes present in the Internet Routing Table: 12677 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3649 APNIC Region transit ASes present in the Internet Routing Table: 1733 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: 7960 Number of APNIC addresses announced to Internet: 772210176 Equivalent to 46 /8s, 6 /16s and 254 /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: 262366 Total ARIN prefixes after maximum aggregation: 120160 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262526 Unique aggregates announced from the ARIN address blocks: 126947 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6918 ARIN Region transit ASes present in the Internet Routing Table: 1882 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: 4532 Number of ARIN addresses announced to Internet: 1296037888 Equivalent to 77 /8s, 63 /16s and 248 /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: 251317 Total RIPE prefixes after maximum aggregation: 117355 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248652 Unique aggregates announced from the RIPE address blocks: 152581 RIPE Region origin ASes present in the Internet Routing Table: 28149 RIPE Prefixes per ASN: 8.83 RIPE Region origin ASes announcing only one prefix: 12041 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: 10744 Number of RIPE addresses announced to Internet: 714098688 Equivalent to 42 /8s, 144 /16s and 72 /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: 115505 Total LACNIC prefixes after maximum aggregation: 27446 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115305 Unique aggregates announced from the LACNIC address blocks: 48762 LACNIC Region origin ASes present in the Internet Routing Table: 10953 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2241 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: 8682 Number of LACNIC addresses announced to Internet: 176470784 Equivalent to 10 /8s, 132 /16s and 187 /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: 28031 Total AfriNIC prefixes after maximum aggregation: 5503 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36041 Unique aggregates announced from the AfriNIC address blocks: 11721 AfriNIC Region origin ASes present in the Internet Routing Table: 1647 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 572 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107798528 Equivalent to 6 /8s, 108 /16s and 224 /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 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5920 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 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 596 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2107 849 407 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 6793 10397 2689 AMAZON-02, US 11492 4509 299 677 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3874 3068 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1788 2509 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2992 50739 2250 DNIC-AS-00749, US 30036 2633 375 130 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2412 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 6863 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3991 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 2252 358 639 TELLCOM-AS, TR 58224 1775 933 560 TCI, IR 61317 1627 115 1065 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 10756 3397 558 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2422 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 1078 369 21 Telefonica del Peru S.A.A., PE 11664 998 179 459 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 967 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 518 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 10756 3397 558 Uninet S.A. de C.V., MX 9808 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6863 1730 144 UNI2-AS, ES 16509 6793 10397 2689 AMAZON-02, US 7545 5920 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4509 299 677 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3991 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 8982 8936 CHINAMOBILE-CN China Mobile Communications Grou 12479 6863 6719 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6793 4104 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 4509 3832 CABLEONE, US 20940 3991 3796 AKAMAI-ASN1, NL 7552 3566 3547 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 /13:589 /14:1201 /15:2094 /16:13495 /17:8264 /18:13744 /19:24724 /20:43022 /21:50840 /22:107439 /23:95129 /24:526300 /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 5843 6863 UNI2-AS, ES 8151 4501 10756 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4509 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2892 3874 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2530 2672 UKRTELNET, UA 30036 2290 2633 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 5:3812 6:108 7:6 8:1530 9:1 11:172 12:1645 13:344 14:2336 15:232 16:43 17:382 18:183 19:1 20:234 21:4 22:188 23:5742 24:2371 25:6 27:2610 29:19 31:2430 32:92 34:7 35:87 36:1829 37:4390 38:3196 39:716 40:152 41:3888 42:1116 43:2203 44:288 45:15962 46:4105 47:302 49:1687 50:1939 51:237 52:1449 54:386 55:851 56:8 57:60 58:1703 59:1109 60:962 61:2267 62:2513 63:1928 64:5525 65:2334 66:4840 67:2958 68:1187 69:4169 70:1321 71:680 72:3043 74:2629 75:1398 76:576 77:2209 78:1867 79:3134 80:1999 81:1630 82:1492 83:1206 84:1321 85:2949 86:729 87:1907 88:1153 89:3315 90:540 91:7616 92:2008 93:2544 94:3473 95:3837 96:1308 97:352 98:1007 99:753 100:77 101:1268 102:2150 103:29306 104:4523 105:468 106:873 107:2550 108:855 109:4308 110:1969 111:3271 112:2027 113:1465 114:1470 115:1968 116:1881 117:2428 118:2309 119:1835 120:1658 121:1022 122:2517 123:2082 124:1540 125:2045 128:1179 129:1049 130:976 131:2020 132:803 133:377 134:1922 135:307 136:892 137:857 138:2452 139:1523 140:894 141:1445 142:1278 143:1425 144:1204 145:354 146:1810 147:1508 148:2208 149:1723 150:863 151:1064 152:1848 153:464 154:3638 155:1437 156:1684 157:1266 158:1038 159:2228 160:2502 161:1278 162:3463 163:1283 164:1629 165:1629 166:755 167:1749 168:3800 169:886 170:4532 171:833 172:3244 173:3130 174:1017 175:1152 176:3557 177:4634 178:3544 179:2184 180:2358 181:3223 182:3210 183:1937 184:2343 185:19604 186:4335 187:3799 188:3969 189:3381 190:8928 191:1485 192:10977 193:8633 194:7058 195:4976 196:3036 197:2416 198:5933 199:6034 200:7494 201:5854 202:10110 203:10019 204:4521 205:3451 206:3660 207:3342 208:4008 209:4653 210:4140 211:2313 212:4018 213:3434 214:1135 215:67 216:6468 217:2641 218:1272 219:407 220:1723 221:962 222:658 223:1954 End of report