IPv4 R&E Routing Table Report 23:05 GMT Wed 17 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: 891408 Prefixes after maximum aggregation (per Origin AS): 338970 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438251 Number of IPv4 prefixes with a valid ROA: 345877 Number of IPv4 prefixes with an invalid ROA: 1376 Number of IPv4 prefixes with no ROA: 544155 Total ASes present in the Internet Routing Table: 73394 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 62990 Origin ASes announcing only one prefix: 25971 Transit ASes present in the Internet Routing Table: 10404 Transit-only ASes present in the Internet Routing Table: 401 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: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 966 Number of instances of unregistered ASNs: 966 Number of 32-bit ASNs allocated by the RIRs: 39997 Number of 32-bit ASNs visible in the Routing Table: 33161 Prefixes from 32-bit ASNs in the Routing Table: 157927 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3070201344 Equivalent to 182 /8s, 255 /16s and 142 /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: 299717 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230499 Total APNIC prefixes after maximum aggregation: 66660 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225609 Unique aggregates announced from the APNIC address blocks: 96316 APNIC Region origin ASes present in the Internet Routing Table: 12804 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3705 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8097 Number of APNIC addresses announced to Internet: 772645376 Equivalent to 46 /8s, 13 /16s and 162 /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: 263175 Total ARIN prefixes after maximum aggregation: 120438 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263393 Unique aggregates announced from the ARIN address blocks: 127420 ARIN Region origin ASes present in the Internet Routing Table: 18984 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4567 Number of ARIN addresses announced to Internet: 1295616768 Equivalent to 77 /8s, 57 /16s and 139 /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: 252577 Total RIPE prefixes after maximum aggregation: 117998 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249822 Unique aggregates announced from the RIPE address blocks: 153240 RIPE Region origin ASes present in the Internet Routing Table: 28189 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12078 RIPE Region transit ASes present in the Internet Routing Table: 4033 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: 10794 Number of RIPE addresses announced to Internet: 717598720 Equivalent to 42 /8s, 197 /16s and 176 /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: 116002 Total LACNIC prefixes after maximum aggregation: 27583 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115700 Unique aggregates announced from the LACNIC address blocks: 48959 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2250 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: 8706 Number of LACNIC addresses announced to Internet: 176358656 Equivalent to 10 /8s, 131 /16s and 5 /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: 28189 Total AfriNIC prefixes after maximum aggregation: 5550 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36359 Unique aggregates announced from the AfriNIC address blocks: 11869 AfriNIC Region origin ASes present in the Internet Routing Table: 1660 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 576 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 997 Number of AfriNIC addresses announced to Internet: 107686400 Equivalent to 6 /8s, 107 /16s and 42 /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 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5914 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3587 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2166 846 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 6824 10396 2734 AMAZON-02, US 11492 4530 300 578 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3822 3063 346 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1790 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2603 369 268 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2525 3387 361 GOOGLE-CLOUD-PLATFORM, US 209 2365 4936 404 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 6869 1730 144 UNI2-AS, ES 20940 4047 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2591 252 1323 M247, GB 34984 2247 358 630 TELLCOM-AS, TR 58224 1755 927 530 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 10841 3397 557 Uninet S.A. de C.V., MX 10620 3488 515 783 Telmex Colombia S.A., CO 11830 2366 369 64 Instituto Costarricense de Electricidad 13999 1957 318 524 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 Techtel LMDS Comunicaciones Interactiva 26615 979 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 1546 521 31 RAYA-AS, EG 24863 1531 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 984 67 46 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 39 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 10841 3397 557 Uninet S.A. de C.V., MX 9808 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6869 1730 144 UNI2-AS, ES 16509 6824 10396 2734 AMAZON-02, US 7545 5914 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4530 300 578 CABLEONE, US 20940 4047 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 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 9070 9023 CHINAMOBILE-CN China Mobile Communications Grou 12479 6869 6725 UNI2-AS, ES 7545 5914 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6824 4090 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4530 3952 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4047 3853 AKAMAI-ASN1, NL 7552 3587 3567 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.169.248.0/24 Origin: 16970 MIDNET, US 23.169.248.0/24 Transit: 2914 NTT-LTD-2914, US 23.169.249.0/24 Origin: 16970 MIDNET, US 23.169.249.0/24 Transit: 2914 NTT-LTD-2914, US 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 /14:1204 /15:2099 /16:13493 /17:8269 /18:13834 /19:24748 /20:43108 /21:50803 /22:107701 /23:95705 /24:529374 /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 5855 6869 UNI2-AS, ES 8151 4565 10841 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3445 4530 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2840 3822 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2259 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1948 2:1028 3:157 4:5 5:3856 6:113 7:6 8:1547 9:1 11:172 12:1646 13:331 14:2350 15:243 16:45 17:378 18:192 20:244 21:4 22:188 23:5833 24:2392 25:6 27:2616 29:19 31:2417 32:92 34:7 35:88 36:1849 37:4463 38:3411 39:721 40:152 41:3887 42:1133 43:2195 44:289 45:16046 46:4145 47:302 49:1713 50:1945 51:238 52:1459 54:383 55:745 56:8 57:59 58:1726 59:1113 60:969 61:2288 62:2541 63:1924 64:5561 65:2358 66:4830 67:2963 68:1203 69:4138 70:1311 71:681 72:3014 74:2633 75:1405 76:577 77:2243 78:1917 79:3123 80:2025 81:1645 82:1494 83:1216 84:1361 85:2974 86:743 87:1912 88:1185 89:3391 90:548 91:7633 92:2047 93:2547 94:3516 95:3882 96:1301 97:351 98:1021 99:721 100:77 101:1291 102:2257 103:29634 104:4540 105:470 106:884 107:2548 108:870 109:4330 110:1996 111:3284 112:2041 113:1472 114:1478 115:1985 116:1883 117:2446 118:2316 119:1869 120:1758 121:1024 122:2498 123:2066 124:1536 125:2062 128:1184 129:1035 130:994 131:2043 132:803 133:377 134:1932 135:301 136:855 137:871 138:2506 139:1507 140:929 141:1450 142:1312 143:1397 144:1200 145:341 146:1845 147:1495 148:2214 149:1769 150:860 151:1073 152:1868 153:465 154:3684 155:1457 156:1727 157:1280 158:1032 159:2208 160:2507 161:1318 162:3491 163:1366 164:1626 165:1642 166:777 167:1782 168:3807 169:882 170:4504 171:836 172:3321 173:3122 174:1020 175:1148 176:3627 177:4745 178:3548 179:2201 180:2373 181:3238 182:3196 183:1935 184:2374 185:19625 186:4518 187:3835 188:3977 189:3405 190:8959 191:1441 192:10964 193:8680 194:7085 195:5047 196:3049 197:2413 198:5954 199:6022 200:7552 201:5783 202:10109 203:9984 204:4514 205:3429 206:3673 207:3390 208:4041 209:4687 210:4149 211:2299 212:4004 213:3462 214:1132 215:65 216:6382 217:2637 218:1263 219:407 220:1751 221:949 222:656 223:1969 End of report