IPv4 R&E Routing Table Report 23:05 GMT Sat 24 Sep, 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: 894007 Prefixes after maximum aggregation (per Origin AS): 340277 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439482 Number of IPv4 prefixes with a valid ROA: 351846 Number of IPv4 prefixes with an invalid ROA: 1686 Number of IPv4 prefixes with no ROA: 540475 Total ASes present in the Internet Routing Table: 73520 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63178 Origin ASes announcing only one prefix: 26034 Transit ASes present in the Internet Routing Table: 10342 Transit-only ASes present in the Internet Routing Table: 407 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: 1097 Number of instances of unregistered ASNs: 1098 Number of 32-bit ASNs allocated by the RIRs: 40239 Number of 32-bit ASNs visible in the Routing Table: 33343 Prefixes from 32-bit ASNs in the Routing Table: 159833 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3066955520 Equivalent to 182 /8s, 206 /16s and 7 /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: 300503 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231199 Total APNIC prefixes after maximum aggregation: 66944 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226127 Unique aggregates announced from the APNIC address blocks: 96217 APNIC Region origin ASes present in the Internet Routing Table: 12884 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3724 APNIC Region transit ASes present in the Internet Routing Table: 1743 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8181 Number of APNIC addresses announced to Internet: 772731904 Equivalent to 46 /8s, 14 /16s and 244 /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: 264236 Total ARIN prefixes after maximum aggregation: 120854 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264986 Unique aggregates announced from the ARIN address blocks: 128192 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1865 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4603 Number of ARIN addresses announced to Internet: 1291830016 Equivalent to 76 /8s, 255 /16s and 195 /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: 252840 Total RIPE prefixes after maximum aggregation: 118406 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249989 Unique aggregates announced from the RIPE address blocks: 153742 RIPE Region origin ASes present in the Internet Routing Table: 28186 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 4006 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: 10818 Number of RIPE addresses announced to Internet: 718267136 Equivalent to 42 /8s, 207 /16s and 227 /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: 116066 Total LACNIC prefixes after maximum aggregation: 27714 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115717 Unique aggregates announced from the LACNIC address blocks: 48977 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2716 LACNIC Region transit ASes present in the Internet Routing Table: 2221 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: 8727 Number of LACNIC addresses announced to Internet: 176094976 Equivalent to 10 /8s, 126 /16s and 255 /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: 28569 Total AfriNIC prefixes after maximum aggregation: 5559 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36639 Unique aggregates announced from the AfriNIC address blocks: 11909 AfriNIC Region origin ASes present in the Internet Routing Table: 1683 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1014 Number of AfriNIC addresses announced to Internet: 107738112 Equivalent to 6 /8s, 107 /16s and 244 /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 5885 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2450 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2222 854 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 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 7234 10539 2826 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3775 3063 343 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1841 2535 AKAMAI-AS, US 6327 3479 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2608 369 263 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2536 3387 368 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 396 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 6905 1730 144 UNI2-AS, ES 20940 4055 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 910 ROSTELECOM-AS, RU 9009 2608 252 1342 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2256 358 633 TELLCOM-AS, TR 58224 1795 935 539 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 10983 3392 561 Uninet S.A. de C.V., MX 10620 3483 513 830 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 2011 328 517 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1061 179 466 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 1582 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 997 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 481 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 10983 3392 561 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7234 10539 2826 AMAZON-02, US 12479 6905 1730 144 UNI2-AS, ES 7545 5885 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4055 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 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 6905 6761 UNI2-AS, ES 7545 5885 5188 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7234 4408 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4055 3862 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 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 /11:101 /12:297 /13:586 /14:1198 /15:2093 /16:13458 /17:8270 /18:13772 /19:24726 /20:43083 /21:50899 /22:107923 /23:95768 /24:531759 /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 5909 6905 UNI2-AS, ES 8151 4723 10983 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3288 3479 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2802 3775 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1898 2:1017 3:163 4:5 5:3893 6:116 7:6 8:1560 9:1 11:173 12:1627 13:345 14:2360 15:263 16:65 17:362 18:318 20:239 21:4 22:188 23:5946 24:2456 25:6 27:2659 29:19 31:2428 32:91 34:7 35:89 36:1891 37:4474 38:3552 39:750 40:152 41:3915 42:1155 43:2225 44:292 45:16119 46:4172 47:299 48:1 49:1729 50:1928 51:242 52:1495 54:388 55:845 56:8 57:71 58:1729 59:1109 60:978 61:2348 62:2552 63:1910 64:5595 65:2312 66:4861 67:2967 68:1202 69:4163 70:1294 71:685 72:2990 74:2642 75:1486 76:591 77:2263 78:1875 79:3133 80:2076 81:1647 82:1510 83:1204 84:1399 85:2950 86:729 87:1917 88:1167 89:3398 90:554 91:7575 92:2052 93:2541 94:3554 95:3854 96:1312 97:347 98:1035 99:722 100:75 101:1296 102:2320 103:29964 104:4552 105:472 106:885 107:2529 108:889 109:4301 110:1983 111:3277 112:2034 113:1478 114:1492 115:1978 116:1879 117:2486 118:2326 119:1824 120:1706 121:1016 122:2523 123:2094 124:1513 125:2099 128:1165 129:1004 130:959 131:2025 132:809 133:378 134:1935 135:293 136:812 137:877 138:2531 139:1510 140:983 141:1451 142:1335 143:1391 144:1192 145:344 146:1846 147:1518 148:2213 149:1818 150:867 151:1100 152:1939 153:469 154:3801 155:1424 156:1693 157:1291 158:1042 159:2193 160:2530 161:1338 162:3487 163:1403 164:1654 165:1650 166:785 167:1740 168:3787 169:873 170:4525 171:845 172:3368 173:3104 174:1019 175:1163 176:3615 177:4727 178:3574 179:2137 180:2366 181:3275 182:3191 183:1925 184:2358 185:19736 186:4548 187:3906 188:4000 189:3456 190:8952 191:1426 192:10972 193:8697 194:7141 195:5039 196:3032 197:2453 198:5916 199:6011 200:7588 201:5804 202:10137 203:9994 204:4515 205:3477 206:3795 207:3372 208:4039 209:4713 210:4119 211:2338 212:4051 213:3466 214:1114 215:55 216:6404 217:2631 218:1265 219:400 220:1776 221:921 222:656 223:1971 End of report