IPv4 R&E Routing Table Report 23:05 GMT Mon 19 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: 893332 Prefixes after maximum aggregation (per Origin AS): 340010 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439345 Number of IPv4 prefixes with a valid ROA: 350750 Number of IPv4 prefixes with an invalid ROA: 1503 Number of IPv4 prefixes with no ROA: 541079 Total ASes present in the Internet Routing Table: 73506 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63141 Origin ASes announcing only one prefix: 26013 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1106 Number of instances of unregistered ASNs: 1107 Number of 32-bit ASNs allocated by the RIRs: 40181 Number of 32-bit ASNs visible in the Routing Table: 33325 Prefixes from 32-bit ASNs in the Routing Table: 159720 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: 606 Number of addresses announced to Internet: 3067970816 Equivalent to 182 /8s, 221 /16s and 133 /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: 300366 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230749 Total APNIC prefixes after maximum aggregation: 66847 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225704 Unique aggregates announced from the APNIC address blocks: 96405 APNIC Region origin ASes present in the Internet Routing Table: 12877 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1745 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: 8173 Number of APNIC addresses announced to Internet: 772872960 Equivalent to 46 /8s, 17 /16s and 27 /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: 263923 Total ARIN prefixes after maximum aggregation: 120839 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 264602 Unique aggregates announced from the ARIN address blocks: 127997 ARIN Region origin ASes present in the Internet Routing Table: 19001 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1866 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4604 Number of ARIN addresses announced to Internet: 1292334848 Equivalent to 77 /8s, 7 /16s and 119 /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: 252564 Total RIPE prefixes after maximum aggregation: 118287 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249755 Unique aggregates announced from the RIPE address blocks: 153615 RIPE Region origin ASes present in the Internet Routing Table: 28175 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 4013 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: 10812 Number of RIPE addresses announced to Internet: 718329600 Equivalent to 42 /8s, 208 /16s and 215 /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: 116497 Total LACNIC prefixes after maximum aggregation: 27656 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116101 Unique aggregates announced from the LACNIC address blocks: 48945 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2222 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: 8721 Number of LACNIC addresses announced to Internet: 176379392 Equivalent to 10 /8s, 131 /16s and 86 /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: 28493 Total AfriNIC prefixes after maximum aggregation: 5582 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36564 Unique aggregates announced from the AfriNIC address blocks: 11890 AfriNIC Region origin ASes present in the Internet Routing Table: 1686 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1015 Number of AfriNIC addresses announced to Internet: 107739904 Equivalent to 6 /8s, 107 /16s and 251 /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 8965 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5837 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2445 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2212 853 414 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 215 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 7103 10484 2851 AMAZON-02, US 11492 4544 301 592 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3789 3065 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3532 1836 2535 AKAMAI-AS, US 6327 3465 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2606 369 279 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 395 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 6932 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 909 ROSTELECOM-AS, RU 6849 2676 355 21 UKRTELNET, UA 9009 2595 250 1340 M247, GB 34984 2255 358 635 TELLCOM-AS, TR 58224 1797 936 536 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 10952 3392 562 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 1997 325 509 Mega Cable, S.A. de C.V., MX 28573 1358 2326 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 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 1578 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 990 68 32 ORANGE-COTE-IVOIRE, CI 36935 812 520 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 10952 3392 562 Uninet S.A. de C.V., MX 9808 8965 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7103 10484 2851 AMAZON-02, US 12479 6932 1730 144 UNI2-AS, ES 7545 5837 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 592 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 8965 8918 CHINAMOBILE-CN China Mobile Communications Grou 12479 6932 6788 UNI2-AS, ES 7545 5837 5141 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7103 4252 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4544 3952 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 3575 3555 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 18604 UNALLOCATED 8.25.204.0/24 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 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 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 /13:588 /14:1203 /15:2092 /16:13475 /17:8268 /18:13784 /19:24701 /20:43138 /21:50890 /22:107891 /23:95681 /24:531149 /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 5930 6932 UNI2-AS, ES 8151 4693 10952 Uninet S.A. de C.V., MX 11492 3464 4544 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3274 3465 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2810 3789 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2532 2676 UKRTELNET, UA 30036 2263 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:1016 3:163 4:5 5:3880 6:116 7:6 8:1561 9:1 11:173 12:1629 13:338 14:2354 15:263 16:51 17:361 18:305 20:243 21:4 22:188 23:5938 24:2443 25:6 27:2662 29:19 31:2409 32:91 34:7 35:89 36:1886 37:4466 38:3503 39:741 40:155 41:3924 42:1155 43:2221 44:290 45:16109 46:4166 47:299 48:1 49:1707 50:1926 51:241 52:1490 54:385 55:831 56:8 57:65 58:1725 59:1110 60:974 61:2293 62:2544 63:1915 64:5578 65:2330 66:4845 67:2968 68:1196 69:4135 70:1309 71:685 72:2989 74:2632 75:1453 76:584 77:2258 78:1869 79:3127 80:2066 81:1649 82:1501 83:1203 84:1383 85:2943 86:725 87:1907 88:1161 89:3410 90:559 91:7600 92:2050 93:2523 94:3531 95:3839 96:1311 97:348 98:1032 99:721 100:75 101:1297 102:2325 103:29945 104:4561 105:472 106:890 107:2537 108:882 109:4299 110:1977 111:3253 112:2037 113:1479 114:1489 115:1978 116:1881 117:2480 118:2323 119:1824 120:1706 121:1006 122:2523 123:2087 124:1505 125:2080 128:1165 129:1013 130:996 131:2027 132:812 133:376 134:1935 135:297 136:790 137:877 138:2530 139:1514 140:946 141:1452 142:1334 143:1399 144:1194 145:345 146:1844 147:1515 148:2208 149:1814 150:865 151:1089 152:1940 153:467 154:3779 155:1423 156:1692 157:1287 158:1030 159:2187 160:2531 161:1333 162:3492 163:1393 164:1663 165:1655 166:788 167:1741 168:3796 169:873 170:4536 171:841 172:3368 173:3108 174:1019 175:1162 176:3612 177:4733 178:3576 179:2149 180:2365 181:3288 182:3189 183:1926 184:2358 185:19694 186:4607 187:3914 188:3999 189:3464 190:8973 191:1496 192:10975 193:8660 194:7125 195:5040 196:3012 197:2454 198:5928 199:6011 200:7613 201:5809 202:10130 203:9990 204:4510 205:3468 206:3775 207:3375 208:4040 209:4699 210:4117 211:2286 212:4055 213:3471 214:1116 215:54 216:6399 217:2623 218:1261 219:400 220:1741 221:921 222:656 223:1969 End of report