IPv4 R&E Routing Table Report 23:05 GMT Thu 22 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: 893961 Prefixes after maximum aggregation (per Origin AS): 340394 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439823 Number of IPv4 prefixes with a valid ROA: 351604 Number of IPv4 prefixes with an invalid ROA: 1529 Number of IPv4 prefixes with no ROA: 540828 Total ASes present in the Internet Routing Table: 73513 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63157 Origin ASes announcing only one prefix: 26015 Transit ASes present in the Internet Routing Table: 10356 Transit-only ASes present in the Internet Routing Table: 405 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: 1073 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 40209 Number of 32-bit ASNs visible in the Routing Table: 33340 Prefixes from 32-bit ASNs in the Routing Table: 159830 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: 565 Number of addresses announced to Internet: 3066968576 Equivalent to 182 /8s, 206 /16s and 58 /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: 300437 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231112 Total APNIC prefixes after maximum aggregation: 66992 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226074 Unique aggregates announced from the APNIC address blocks: 96428 APNIC Region origin ASes present in the Internet Routing Table: 12879 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3714 APNIC Region transit ASes present in the Internet Routing Table: 1747 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8176 Number of APNIC addresses announced to Internet: 772726784 Equivalent to 46 /8s, 14 /16s and 224 /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: 264241 Total ARIN prefixes after maximum aggregation: 120963 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 264960 Unique aggregates announced from the ARIN address blocks: 128194 ARIN Region origin ASes present in the Internet Routing Table: 19005 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4607 Number of ARIN addresses announced to Internet: 1291839488 Equivalent to 76 /8s, 255 /16s and 232 /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: 252661 Total RIPE prefixes after maximum aggregation: 118403 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249818 Unique aggregates announced from the RIPE address blocks: 153856 RIPE Region origin ASes present in the Internet Routing Table: 28169 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 4010 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: 10813 Number of RIPE addresses announced to Internet: 718236672 Equivalent to 42 /8s, 207 /16s and 108 /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: 116266 Total LACNIC prefixes after maximum aggregation: 27676 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115866 Unique aggregates announced from the LACNIC address blocks: 48968 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2711 LACNIC Region transit ASes present in the Internet Routing Table: 2220 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: 176099072 Equivalent to 10 /8s, 127 /16s and 15 /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: 28608 Total AfriNIC prefixes after maximum aggregation: 5569 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36678 Unique aggregates announced from the AfriNIC address blocks: 11925 AfriNIC Region origin ASes present in the Internet Routing Table: 1686 AfriNIC Prefixes per ASN: 21.75 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: 1017 Number of AfriNIC addresses announced to Internet: 107764480 Equivalent to 6 /8s, 108 /16s and 91 /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 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5874 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 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 2219 853 413 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 7202 10504 2826 AMAZON-02, US 11492 4521 300 627 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3776 3063 343 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1841 2536 AKAMAI-AS, US 6327 3471 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2608 369 263 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2535 3387 368 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 6902 1730 144 UNI2-AS, ES 20940 4054 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 910 ROSTELECOM-AS, RU 6849 2588 339 20 UKRTELNET, UA 9009 2587 250 1333 M247, GB 34984 2255 358 634 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 10973 3391 562 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 2008 328 514 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 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1059 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 1584 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 995 68 32 ORANGE-COTE-IVOIRE, CI 36935 812 520 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 10973 3391 562 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7202 10504 2826 AMAZON-02, US 12479 6902 1730 144 UNI2-AS, ES 7545 5874 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4521 300 627 CABLEONE, US 20940 4054 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 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 9052 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6902 6758 UNI2-AS, ES 7545 5874 5178 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7202 4376 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4521 3894 CABLEONE, US 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4054 3861 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 /13:585 /14:1198 /15:2092 /16:13458 /17:8265 /18:13768 /19:24730 /20:43107 /21:50928 /22:107925 /23:95767 /24:531666 /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 5905 6902 UNI2-AS, ES 8151 4715 10973 Uninet S.A. de C.V., MX 8551 3450 3986 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3441 4521 CABLEONE, US 6327 3280 3471 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2803 3776 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2444 2588 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) ---------------------------------------------- 1:1902 2:1018 3:163 4:5 5:3898 6:116 7:6 8:1559 9:1 11:173 12:1629 13:341 14:2359 15:263 16:52 17:362 18:317 20:241 21:4 22:188 23:5942 24:2450 25:6 27:2663 29:19 31:2426 32:91 34:7 35:89 36:1890 37:4443 38:3545 39:749 40:155 41:3920 42:1158 43:2218 44:292 45:16141 46:4165 47:299 48:1 49:1730 50:1929 51:241 52:1493 54:388 55:844 56:8 57:69 58:1724 59:1110 60:974 61:2348 62:2541 63:1910 64:5590 65:2314 66:4874 67:2967 68:1201 69:4156 70:1310 71:685 72:2981 74:2643 75:1486 76:591 77:2258 78:1862 79:3133 80:2068 81:1659 82:1507 83:1208 84:1380 85:2943 86:729 87:1917 88:1161 89:3395 90:554 91:7572 92:2052 93:2538 94:3551 95:3852 96:1303 97:347 98:1034 99:722 100:75 101:1295 102:2316 103:29948 104:4555 105:472 106:884 107:2526 108:890 109:4297 110:1982 111:3277 112:2038 113:1479 114:1489 115:1978 116:1882 117:2482 118:2325 119:1824 120:1707 121:1016 122:2523 123:2094 124:1510 125:2098 128:1163 129:1009 130:994 131:2026 132:813 133:378 134:1933 135:294 136:794 137:880 138:2536 139:1511 140:969 141:1452 142:1341 143:1394 144:1192 145:346 146:1841 147:1519 148:2200 149:1806 150:862 151:1101 152:1939 153:469 154:3782 155:1423 156:1703 157:1288 158:1040 159:2189 160:2526 161:1331 162:3491 163:1394 164:1668 165:1650 166:781 167:1744 168:3805 169:873 170:4516 171:845 172:3367 173:3101 174:1016 175:1163 176:3611 177:4712 178:3568 179:2150 180:2366 181:3279 182:3189 183:1922 184:2359 185:19737 186:4563 187:3911 188:4002 189:3475 190:8945 191:1433 192:10973 193:8679 194:7123 195:5043 196:3051 197:2456 198:5922 199:6018 200:7596 201:5816 202:10141 203:9996 204:4517 205:3471 206:3797 207:3375 208:4048 209:4720 210:4114 211:2339 212:4044 213:3464 214:1120 215:54 216:6410 217:2634 218:1265 219:400 220:1775 221:921 222:656 223:1968 End of report