IPv4 R&E Routing Table Report 23:05 GMT Wed 03 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: 889616 Prefixes after maximum aggregation (per Origin AS): 338248 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437415 Number of IPv4 prefixes with a valid ROA: 343060 Number of IPv4 prefixes with an invalid ROA: 1358 Number of IPv4 prefixes with no ROA: 545198 Total ASes present in the Internet Routing Table: 73287 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62917 Origin ASes announcing only one prefix: 25946 Transit ASes present in the Internet Routing Table: 10370 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 939 Number of instances of unregistered ASNs: 940 Number of 32-bit ASNs allocated by the RIRs: 39919 Number of 32-bit ASNs visible in the Routing Table: 33064 Prefixes from 32-bit ASNs in the Routing Table: 157347 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3070458112 Equivalent to 183 /8s, 3 /16s and 121 /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: 299440 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229942 Total APNIC prefixes after maximum aggregation: 66603 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224982 Unique aggregates announced from the APNIC address blocks: 96224 APNIC Region origin ASes present in the Internet Routing Table: 12772 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3695 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8062 Number of APNIC addresses announced to Internet: 772733696 Equivalent to 46 /8s, 14 /16s and 251 /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: 263004 Total ARIN prefixes after maximum aggregation: 120344 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263255 Unique aggregates announced from the ARIN address blocks: 127342 ARIN Region origin ASes present in the Internet Routing Table: 18967 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6920 ARIN Region transit ASes present in the Internet Routing Table: 1853 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4551 Number of ARIN addresses announced to Internet: 1295787264 Equivalent to 77 /8s, 60 /16s and 37 /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: 251882 Total RIPE prefixes after maximum aggregation: 117474 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249247 Unique aggregates announced from the RIPE address blocks: 152764 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12065 RIPE Region transit ASes present in the Internet Routing Table: 4020 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: 10770 Number of RIPE addresses announced to Internet: 717572352 Equivalent to 42 /8s, 197 /16s and 73 /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: 115794 Total LACNIC prefixes after maximum aggregation: 27545 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115489 Unique aggregates announced from the LACNIC address blocks: 48790 LACNIC Region origin ASes present in the Internet Routing Table: 10961 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2686 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: 8689 Number of LACNIC addresses announced to Internet: 176317184 Equivalent to 10 /8s, 130 /16s and 99 /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: 28055 Total AfriNIC prefixes after maximum aggregation: 5569 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36153 Unique aggregates announced from the AfriNIC address blocks: 11878 AfriNIC Region origin ASes present in the Internet Routing Table: 1665 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 580 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 992 Number of AfriNIC addresses announced to Internet: 107766016 Equivalent to 6 /8s, 108 /16s and 97 /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 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5925 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3509 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2237 11123 592 KIXS-AS-KR Korea Telecom, KR 24560 2152 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 424 215 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 6729 10381 2690 AMAZON-02, US 11492 4642 307 476 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3837 3069 360 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3457 1780 2500 AKAMAI-AS, US 6327 3448 1319 64 SHAW, CA 749 3021 50731 2279 DNIC-AS-00749, US 30036 2602 371 278 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2369 4936 407 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 6868 1730 144 UNI2-AS, ES 20940 4039 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2591 255 1339 M247, GB 34984 2246 357 635 TELLCOM-AS, TR 58224 1778 933 554 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 10801 3398 561 Uninet S.A. de C.V., MX 10620 3483 515 780 Telmex Colombia S.A., CO 11830 2413 369 64 Instituto Costarricense de Electricidad 13999 1935 317 514 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1270 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1090 370 21 Telefonica del Peru S.A.A., PE 11664 1046 180 453 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1528 521 31 RAYA-AS, EG 24863 1471 393 21 LINKdotNET-AS, EG 36992 1325 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 971 66 45 ORANGE-COTE-IVOIRE, CI 36935 799 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 38 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 10801 3398 561 Uninet S.A. de C.V., MX 9808 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 144 UNI2-AS, ES 16509 6729 10381 2690 AMAZON-02, US 7545 5925 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 307 476 CABLEONE, US 20940 4039 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 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 9017 8970 CHINAMOBILE-CN China Mobile Communications Grou 12479 6868 6724 UNI2-AS, ES 7545 5925 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 4166 CABLEONE, US 16509 6729 4039 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4039 3845 AKAMAI-ASN1, NL 7552 3592 3573 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 /11:101 /12:303 /13:592 /14:1203 /15:2098 /16:13498 /17:8254 /18:13802 /19:24729 /20:43037 /21:50824 /22:107490 /23:95318 /24:528293 /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 5856 6868 UNI2-AS, ES 8151 4525 10801 Uninet S.A. de C.V., MX 11492 3546 4642 CABLEONE, US 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3258 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2850 3837 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2261 2602 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1955 2:1021 3:157 4:5 5:3838 6:111 7:6 8:1541 9:1 11:172 12:1639 13:328 14:2347 15:240 16:44 17:390 18:174 20:242 21:4 22:188 23:5832 24:2403 25:6 27:2613 29:19 31:2415 32:92 34:7 35:87 36:1841 37:4442 38:3344 39:719 40:152 41:3901 42:1125 43:2192 44:287 45:16042 46:4138 47:302 49:1672 50:1944 51:238 52:1449 54:384 55:842 56:8 57:59 58:1735 59:1109 60:964 61:2289 62:2526 63:1927 64:5578 65:2384 66:4832 67:2973 68:1193 69:4139 70:1313 71:679 72:3030 74:2628 75:1399 76:576 77:2243 78:1875 79:3130 80:2015 81:1649 82:1494 83:1209 84:1351 85:2950 86:737 87:1907 88:1177 89:3376 90:545 91:7610 92:2026 93:2552 94:3504 95:3874 96:1337 97:351 98:1026 99:754 100:77 101:1288 102:2209 103:29489 104:4458 105:468 106:879 107:2538 108:859 109:4320 110:2013 111:3274 112:2032 113:1462 114:1475 115:1968 116:1881 117:2421 118:2299 119:1855 120:1757 121:1023 122:2514 123:2078 124:1528 125:2041 128:1178 129:1041 130:967 131:2032 132:802 133:378 134:1934 135:299 136:889 137:862 138:2495 139:1493 140:931 141:1442 142:1321 143:1390 144:1208 145:345 146:1824 147:1501 148:2203 149:1759 150:859 151:1068 152:1866 153:465 154:3689 155:1444 156:1699 157:1277 158:1035 159:2218 160:2497 161:1304 162:3484 163:1336 164:1633 165:1651 166:761 167:1774 168:3778 169:876 170:4526 171:837 172:3285 173:3113 174:1046 175:1152 176:3606 177:4754 178:3535 179:2200 180:2372 181:3219 182:3194 183:1935 184:2385 185:19581 186:4475 187:3812 188:3982 189:3388 190:8959 191:1456 192:10965 193:8656 194:7061 195:5011 196:3030 197:2418 198:5952 199:6019 200:7448 201:5820 202:10130 203:10018 204:4511 205:3442 206:3683 207:3358 208:4023 209:4671 210:4162 211:2287 212:4015 213:3470 214:1136 215:65 216:6363 217:2642 218:1263 219:408 220:1738 221:959 222:655 223:1964 End of report