IPv4 R&E Routing Table Report 23:05 GMT Sun 07 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: 890177 Prefixes after maximum aggregation (per Origin AS): 338481 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437696 Number of IPv4 prefixes with a valid ROA: 342208 Number of IPv4 prefixes with an invalid ROA: 1346 Number of IPv4 prefixes with no ROA: 546623 Total ASes present in the Internet Routing Table: 73296 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62902 Origin ASes announcing only one prefix: 25938 Transit ASes present in the Internet Routing Table: 10394 Transit-only ASes present in the Internet Routing Table: 397 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 927 Number of instances of unregistered ASNs: 927 Number of 32-bit ASNs allocated by the RIRs: 39949 Number of 32-bit ASNs visible in the Routing Table: 33080 Prefixes from 32-bit ASNs in the Routing Table: 157614 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: 489 Number of addresses announced to Internet: 3070400768 Equivalent to 183 /8s, 2 /16s and 153 /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: 299623 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229974 Total APNIC prefixes after maximum aggregation: 66552 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225037 Unique aggregates announced from the APNIC address blocks: 96321 APNIC Region origin ASes present in the Internet Routing Table: 12775 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3693 APNIC Region transit ASes present in the Internet Routing Table: 1742 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8066 Number of APNIC addresses announced to Internet: 772636672 Equivalent to 46 /8s, 13 /16s and 128 /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: 263082 Total ARIN prefixes after maximum aggregation: 120443 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263384 Unique aggregates announced from the ARIN address blocks: 127333 ARIN Region origin ASes present in the Internet Routing Table: 18983 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6925 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4559 Number of ARIN addresses announced to Internet: 1295825920 Equivalent to 77 /8s, 60 /16s and 188 /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: 252166 Total RIPE prefixes after maximum aggregation: 117654 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249437 Unique aggregates announced from the RIPE address blocks: 152937 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 4037 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: 10778 Number of RIPE addresses announced to Internet: 717624832 Equivalent to 42 /8s, 198 /16s and 22 /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: 116153 Total LACNIC prefixes after maximum aggregation: 27562 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115845 Unique aggregates announced from the LACNIC address blocks: 48863 LACNIC Region origin ASes present in the Internet Routing Table: 10953 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2247 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: 8684 Number of LACNIC addresses announced to Internet: 176320768 Equivalent to 10 /8s, 130 /16s and 113 /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: 27875 Total AfriNIC prefixes after maximum aggregation: 5563 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 35985 Unique aggregates announced from the AfriNIC address blocks: 11827 AfriNIC Region origin ASes present in the Internet Routing Table: 1661 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 583 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 993 Number of AfriNIC addresses announced to Internet: 107710720 Equivalent to 6 /8s, 107 /16s and 137 /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 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3597 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3379 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 594 KIXS-AS-KR Korea Telecom, KR 24560 2156 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 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 6829 10403 2706 AMAZON-02, US 11492 4541 301 589 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3838 3070 361 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1784 2501 AKAMAI-AS, US 6327 3447 1319 62 SHAW, CA 749 3020 50730 2278 DNIC-AS-00749, US 30036 2607 373 253 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 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 6874 1730 144 UNI2-AS, ES 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2597 255 1341 M247, GB 34984 2246 358 635 TELLCOM-AS, TR 58224 1798 938 560 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 10810 3398 562 Uninet S.A. de C.V., MX 10620 3483 515 780 Telmex Colombia S.A., CO 11830 2410 369 64 Instituto Costarricense de Electricidad 13999 1947 318 518 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 21 Telefonica del Peru S.A.A., PE 11664 1051 180 455 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1526 393 21 LINKdotNET-AS, EG 24835 1517 495 28 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 972 66 53 ORANGE-COTE-IVOIRE, CI 36935 638 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 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 10810 3398 562 Uninet S.A. de C.V., MX 9808 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6874 1730 144 UNI2-AS, ES 16509 6829 10403 2706 AMAZON-02, US 7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4541 301 589 CABLEONE, US 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 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 9014 8967 CHINAMOBILE-CN China Mobile Communications Grou 12479 6874 6730 UNI2-AS, ES 7545 5935 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6829 4123 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4541 3952 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4042 3848 AKAMAI-ASN1, NL 7552 3597 3578 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 23.141.0.0/24 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 /10:39 /11:101 /12:303 /13:592 /14:1204 /15:2098 /16:13496 /17:8251 /18:13798 /19:24729 /20:43077 /21:50772 /22:107479 /23:95344 /24:528859 /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 5861 6874 UNI2-AS, ES 8151 4534 10810 Uninet S.A. de C.V., MX 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3456 4541 CABLEONE, US 6327 3259 3447 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3838 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2265 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1959 2:1019 3:157 4:5 5:3822 6:111 7:6 8:1545 9:1 11:172 12:1643 13:340 14:2351 15:241 16:44 17:383 18:187 20:242 21:4 22:188 23:5847 24:2386 25:6 27:2609 29:19 31:2413 32:92 34:7 35:87 36:1843 37:4440 38:3362 39:720 40:152 41:3860 42:1124 43:2193 44:283 45:16073 46:4125 47:302 49:1700 50:1947 51:237 52:1458 54:384 55:855 56:8 57:59 58:1735 59:1110 60:967 61:2289 62:2536 63:1928 64:5566 65:2369 66:4839 67:2980 68:1192 69:4132 70:1313 71:679 72:3028 74:2629 75:1398 76:577 77:2243 78:1880 79:3130 80:2014 81:1647 82:1494 83:1206 84:1351 85:2949 86:737 87:1906 88:1190 89:3385 90:546 91:7619 92:2036 93:2553 94:3509 95:3877 96:1287 97:350 98:1028 99:754 100:77 101:1292 102:2225 103:29522 104:4522 105:465 106:879 107:2539 108:859 109:4327 110:1999 111:3273 112:2032 113:1472 114:1474 115:1975 116:1881 117:2421 118:2300 119:1867 120:1753 121:1023 122:2511 123:2068 124:1529 125:2039 128:1183 129:1040 130:968 131:2056 132:802 133:378 134:1937 135:299 136:888 137:867 138:2501 139:1495 140:931 141:1444 142:1316 143:1402 144:1205 145:344 146:1828 147:1499 148:2193 149:1760 150:859 151:1070 152:1864 153:465 154:3690 155:1445 156:1698 157:1276 158:1040 159:2210 160:2500 161:1306 162:3486 163:1335 164:1628 165:1645 166:761 167:1771 168:3804 169:880 170:4537 171:837 172:3300 173:3117 174:1033 175:1152 176:3615 177:4774 178:3535 179:2186 180:2372 181:3219 182:3190 183:1935 184:2382 185:19612 186:4534 187:3844 188:3987 189:3418 190:8992 191:1460 192:10955 193:8661 194:7058 195:5030 196:3019 197:2406 198:5949 199:6027 200:7532 201:5840 202:10134 203:10013 204:4504 205:3433 206:3675 207:3383 208:4027 209:4677 210:4163 211:2298 212:4016 213:3472 214:1135 215:65 216:6383 217:2632 218:1263 219:408 220:1736 221:959 222:654 223:1959 End of report