IPv4 R&E Routing Table Report 23:05 GMT Sat 08 Oct, 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: 895405 Prefixes after maximum aggregation (per Origin AS): 340600 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440079 Number of IPv4 prefixes with a valid ROA: 354012 Number of IPv4 prefixes with an invalid ROA: 1784 Number of IPv4 prefixes with no ROA: 539609 Total ASes present in the Internet Routing Table: 73534 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63163 Origin ASes announcing only one prefix: 25976 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 40356 Number of 32-bit ASNs visible in the Routing Table: 33407 Prefixes from 32-bit ASNs in the Routing Table: 160755 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3064437248 Equivalent to 182 /8s, 167 /16s and 154 /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: 300617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231790 Total APNIC prefixes after maximum aggregation: 67052 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226658 Unique aggregates announced from the APNIC address blocks: 96430 APNIC Region origin ASes present in the Internet Routing Table: 12924 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3721 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8221 Number of APNIC addresses announced to Internet: 773294848 Equivalent to 46 /8s, 23 /16s and 139 /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: 264615 Total ARIN prefixes after maximum aggregation: 120824 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265557 Unique aggregates announced from the ARIN address blocks: 128459 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1871 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: 4610 Number of ARIN addresses announced to Internet: 1290751232 Equivalent to 76 /8s, 239 /16s and 77 /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: 253083 Total RIPE prefixes after maximum aggregation: 118551 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250074 Unique aggregates announced from the RIPE address blocks: 153716 RIPE Region origin ASes present in the Internet Routing Table: 28165 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12019 RIPE Region transit ASes present in the Internet Routing Table: 4004 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: 10823 Number of RIPE addresses announced to Internet: 716478720 Equivalent to 42 /8s, 180 /16s and 153 /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: 116263 Total LACNIC prefixes after maximum aggregation: 27826 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115873 Unique aggregates announced from the LACNIC address blocks: 49028 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 8731 Number of LACNIC addresses announced to Internet: 175828736 Equivalent to 10 /8s, 122 /16s and 239 /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: 28623 Total AfriNIC prefixes after maximum aggregation: 5575 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36750 Unique aggregates announced from the AfriNIC address blocks: 12033 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 598 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: 1022 Number of AfriNIC addresses announced to Internet: 107803904 Equivalent to 6 /8s, 108 /16s and 245 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2458 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2287 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2232 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2134 425 218 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 7298 10554 2852 AMAZON-02, US 11492 4591 304 541 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3772 3066 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2600 367 264 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 393 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 6876 1730 144 UNI2-AS, ES 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2614 252 1341 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2252 358 626 TELLCOM-AS, TR 58224 1727 916 590 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 10849 3334 593 Uninet S.A. de C.V., MX 10620 3471 510 839 Telmex Colombia S.A., CO 11830 2304 369 64 Instituto Costarricense de Electricidad 13999 2052 334 531 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1146 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1569 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1006 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 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 10849 3334 593 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7298 10554 2852 AMAZON-02, US 12479 6876 1730 144 UNI2-AS, ES 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4591 304 541 CABLEONE, US 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6876 6732 UNI2-AS, ES 7545 5926 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7298 4446 AMAZON-02, US 11492 4591 4050 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4099 3925 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /10:38 /11:100 /12:295 /13:586 /14:1194 /15:2078 /16:13468 /17:8290 /18:13818 /19:24783 /20:43052 /21:50800 /22:107969 /23:95751 /24:533147 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5883 6876 UNI2-AS, ES 8151 4733 10849 Uninet S.A. de C.V., MX 11492 3499 4591 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2785 3772 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2258 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) ---------------------------------------------- 1:1894 2:1027 3:166 4:5 5:3922 6:116 7:6 8:1558 9:1 11:173 12:1625 13:335 14:2366 15:267 16:68 17:360 18:329 20:240 21:4 22:188 23:5937 24:2451 25:6 27:2667 29:19 31:2435 32:91 34:7 35:90 36:1891 37:4482 38:3616 39:753 40:158 41:3925 42:1167 43:2244 44:291 45:16164 46:4179 47:376 49:1706 50:1936 51:242 52:1492 54:387 55:849 56:8 57:77 58:1723 59:1108 60:990 61:2367 62:2531 63:1920 64:5591 65:2310 66:4830 67:2951 68:1203 69:4160 70:1306 71:678 72:2989 74:2644 75:1476 76:591 77:2229 78:1817 79:3141 80:2049 81:1650 82:1516 83:1214 84:1400 85:2941 86:733 87:1908 88:1165 89:3417 90:542 91:7586 92:2054 93:2546 94:3527 95:3847 96:1341 97:343 98:1032 99:736 100:77 101:1296 102:2340 103:30161 104:4548 105:474 106:886 107:2536 108:893 109:4329 110:2015 111:3273 112:2043 113:1477 114:1510 115:1984 116:1888 117:2485 118:2324 119:1846 120:1707 121:1011 122:2540 123:2099 124:1521 125:2091 128:1183 129:973 130:954 131:2019 132:814 133:377 134:1899 135:295 136:871 137:885 138:2544 139:1516 140:1088 141:1480 142:1405 143:1406 144:1195 145:347 146:1851 147:1527 148:2228 149:1794 150:877 151:1114 152:1936 153:468 154:3881 155:1425 156:1680 157:1300 158:1041 159:2176 160:2549 161:1357 162:3508 163:1417 164:1672 165:1663 166:781 167:1723 168:3798 169:875 170:4560 171:853 172:3432 173:3101 174:1012 175:1150 176:3604 177:4753 178:3564 179:2125 180:2365 181:3253 182:3194 183:1940 184:2352 185:19782 186:4597 187:3954 188:4023 189:3446 190:8979 191:1454 192:10977 193:8709 194:7140 195:5034 196:3055 197:2451 198:5949 199:6024 200:7579 201:5813 202:10143 203:10007 204:4510 205:3479 206:3803 207:3377 208:4031 209:4729 210:4119 211:2326 212:3996 213:3542 214:1107 215:54 216:6397 217:2622 218:1269 219:404 220:1785 221:921 222:650 223:2008 End of report