IPv4 R&E Routing Table Report 23:05 GMT Fri 23 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: 894197 Prefixes after maximum aggregation (per Origin AS): 340369 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439520 Number of IPv4 prefixes with a valid ROA: 351830 Number of IPv4 prefixes with an invalid ROA: 1646 Number of IPv4 prefixes with no ROA: 540721 Total ASes present in the Internet Routing Table: 73526 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63175 Origin ASes announcing only one prefix: 26027 Transit ASes present in the Internet Routing Table: 10351 Transit-only ASes present in the Internet Routing Table: 406 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: 1049 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 40221 Number of 32-bit ASNs visible in the Routing Table: 33353 Prefixes from 32-bit ASNs in the Routing Table: 160000 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: 537 Number of addresses announced to Internet: 3066937088 Equivalent to 182 /8s, 205 /16s and 191 /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: 300476 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231255 Total APNIC prefixes after maximum aggregation: 66951 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226184 Unique aggregates announced from the APNIC address blocks: 96242 APNIC Region origin ASes present in the Internet Routing Table: 12885 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1744 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: 772754432 Equivalent to 46 /8s, 15 /16s and 76 /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: 264276 Total ARIN prefixes after maximum aggregation: 120981 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 265031 Unique aggregates announced from the ARIN address blocks: 128199 ARIN Region origin ASes present in the Internet Routing Table: 19000 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4608 Number of ARIN addresses announced to Internet: 1291768832 Equivalent to 76 /8s, 254 /16s and 212 /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: 252764 Total RIPE prefixes after maximum aggregation: 118382 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249913 Unique aggregates announced from the RIPE address blocks: 153717 RIPE Region origin ASes present in the Internet Routing Table: 28179 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 4008 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: 10817 Number of RIPE addresses announced to Internet: 718262272 Equivalent to 42 /8s, 207 /16s and 208 /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: 116283 Total LACNIC prefixes after maximum aggregation: 27699 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115899 Unique aggregates announced from the LACNIC address blocks: 49007 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2707 LACNIC Region transit ASes present in the Internet Routing Table: 2224 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: 8730 Number of LACNIC addresses announced to Internet: 176112640 Equivalent to 10 /8s, 127 /16s and 68 /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: 28570 Total AfriNIC prefixes after maximum aggregation: 5567 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36633 Unique aggregates announced from the AfriNIC address blocks: 11912 AfriNIC Region origin ASes present in the Internet Routing Table: 1688 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 594 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: 1017 Number of AfriNIC addresses announced to Internet: 107753984 Equivalent to 6 /8s, 108 /16s and 50 /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 5886 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 2449 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 7211 10534 2836 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3773 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 2594 368 329 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2536 3387 368 GOOGLE-CLOUD-PLATFORM, US 209 2350 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 6904 1730 144 UNI2-AS, ES 20940 4055 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 910 ROSTELECOM-AS, RU 9009 2603 251 1338 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2257 358 633 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 10978 3392 563 Uninet S.A. de C.V., MX 10620 3506 515 788 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 1137 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 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 997 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 612 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 10978 3392 563 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7211 10534 2836 AMAZON-02, US 12479 6904 1730 144 UNI2-AS, ES 7545 5886 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 3987 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 6904 6760 UNI2-AS, ES 7545 5886 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7211 4375 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3987 3949 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 /16:13451 /17:8269 /18:13773 /19:24730 /20:43096 /21:50914 /22:107944 /23:95809 /24:531862 /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 5908 6904 UNI2-AS, ES 8151 4719 10978 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3451 3987 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 2800 3773 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2251 2594 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1902 2:1016 3:163 4:5 5:3894 6:116 7:6 8:1560 9:1 11:173 12:1627 13:345 14:2361 15:263 16:60 17:362 18:318 20:239 21:4 22:188 23:5949 24:2456 25:6 27:2661 29:19 31:2420 32:91 34:7 35:89 36:1891 37:4474 38:3539 39:750 40:155 41:3898 42:1155 43:2225 44:292 45:16165 46:4171 47:299 48:1 49:1729 50:1923 51:242 52:1492 54:387 55:844 56:8 57:71 58:1726 59:1110 60:979 61:2348 62:2541 63:1910 64:5591 65:2311 66:4861 67:2970 68:1201 69:4168 70:1310 71:685 72:2988 74:2641 75:1487 76:590 77:2261 78:1862 79:3134 80:2072 81:1647 82:1509 83:1208 84:1381 85:2948 86:729 87:1916 88:1158 89:3398 90:554 91:7572 92:2053 93:2542 94:3546 95:3849 96:1311 97:347 98:1035 99:722 100:75 101:1296 102:2307 103:29976 104:4553 105:472 106:885 107:2527 108:889 109:4301 110:1984 111:3277 112:2037 113:1476 114:1489 115:1979 116:1882 117:2485 118:2328 119:1824 120:1706 121:1016 122:2523 123:2094 124:1513 125:2099 128:1165 129:1005 130:991 131:2031 132:812 133:378 134:1933 135:293 136:810 137:880 138:2526 139:1510 140:985 141:1452 142:1341 143:1396 144:1191 145:344 146:1846 147:1519 148:2213 149:1818 150:867 151:1100 152:1940 153:469 154:3793 155:1423 156:1699 157:1282 158:1039 159:2195 160:2553 161:1338 162:3490 163:1401 164:1665 165:1649 166:781 167:1739 168:3799 169:873 170:4529 171:845 172:3365 173:3091 174:1019 175:1163 176:3611 177:4730 178:3566 179:2140 180:2368 181:3276 182:3190 183:1925 184:2359 185:19747 186:4568 187:3908 188:4004 189:3460 190:8963 191:1420 192:10973 193:8680 194:7128 195:5041 196:3058 197:2454 198:5920 199:6012 200:7589 201:5803 202:10145 203:9999 204:4515 205:3482 206:3800 207:3375 208:4040 209:4717 210:4120 211:2338 212:4050 213:3466 214:1116 215:54 216:6410 217:2633 218:1263 219:400 220:1776 221:921 222:656 223:1971 End of report