IPv4 R&E Routing Table Report 23:05 GMT Sat 06 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: 889158 Prefixes after maximum aggregation (per Origin AS): 338309 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436962 Number of IPv4 prefixes with a valid ROA: 343086 Number of IPv4 prefixes with an invalid ROA: 1372 Number of IPv4 prefixes with no ROA: 544700 Total ASes present in the Internet Routing Table: 73241 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62855 Origin ASes announcing only one prefix: 25932 Transit ASes present in the Internet Routing Table: 10386 Transit-only ASes present in the Internet Routing Table: 406 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: 932 Number of instances of unregistered ASNs: 932 Number of 32-bit ASNs allocated by the RIRs: 39940 Number of 32-bit ASNs visible in the Routing Table: 33010 Prefixes from 32-bit ASNs in the Routing Table: 156963 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: 494 Number of addresses announced to Internet: 3070167296 Equivalent to 182 /8s, 255 /16s and 9 /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: 299562 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229053 Total APNIC prefixes after maximum aggregation: 66439 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224106 Unique aggregates announced from the APNIC address blocks: 95628 APNIC Region origin ASes present in the Internet Routing Table: 12698 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 3680 APNIC Region transit ASes present in the Internet Routing Table: 1739 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: 7993 Number of APNIC addresses announced to Internet: 772435712 Equivalent to 46 /8s, 10 /16s and 111 /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: 263093 Total ARIN prefixes after maximum aggregation: 120418 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263393 Unique aggregates announced from the ARIN address blocks: 127328 ARIN Region origin ASes present in the Internet Routing Table: 18985 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6930 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: 4560 Number of ARIN addresses announced to Internet: 1295813120 Equivalent to 77 /8s, 60 /16s and 138 /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: 252063 Total RIPE prefixes after maximum aggregation: 117641 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249388 Unique aggregates announced from the RIPE address blocks: 152931 RIPE Region origin ASes present in the Internet Routing Table: 28168 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 4036 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: 717627648 Equivalent to 42 /8s, 198 /16s and 33 /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: 116099 Total LACNIC prefixes after maximum aggregation: 27537 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 115779 Unique aggregates announced from the LACNIC address blocks: 48851 LACNIC Region origin ASes present in the Internet Routing Table: 10952 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2245 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: 8685 Number of LACNIC addresses announced to Internet: 176309248 Equivalent to 10 /8s, 130 /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: 27918 Total AfriNIC prefixes after maximum aggregation: 5564 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 35998 Unique aggregates announced from the AfriNIC address blocks: 11808 AfriNIC Region origin ASes present in the Internet Routing Table: 1664 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 582 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 994 Number of AfriNIC addresses announced to Internet: 107698688 Equivalent to 6 /8s, 107 /16s and 90 /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 5933 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3597 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3509 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 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 2121 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 6837 10405 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 3461 1784 2500 AKAMAI-AS, US 6327 3447 1319 62 SHAW, CA 749 3021 50731 2279 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 3994 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 2245 357 635 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 1284 338 520 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1100 370 21 Telefonica del Peru S.A.A., PE 11664 1051 180 455 Techtel LMDS Comunicaciones Interactiva 26615 981 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 6837 10405 2706 AMAZON-02, US 7545 5933 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 3994 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 5933 5239 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6837 4131 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3994 3955 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 /18:13793 /19:24728 /20:43024 /21:50801 /22:107427 /23:95259 /24:528007 /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 3457 3994 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) ---------------------------------------------- 1:1958 2:1019 3:157 4:5 5:3830 6:110 7:6 8:1545 9:1 11:172 12:1643 13:341 14:2349 15:241 16:44 17:383 18:187 20:242 21:4 22:188 23:5849 24:2389 25:6 27:2609 29:19 31:2413 32:92 34:7 35:87 36:1842 37:4431 38:3360 39:720 40:152 41:3897 42:1123 43:2172 44:284 45:16055 46:4126 47:302 49:1700 50:1946 51:238 52:1458 54:384 55:855 56:8 57:59 58:1731 59:1109 60:966 61:2280 62:2534 63:1928 64:5568 65:2370 66:4839 67:2979 68:1193 69:4132 70:1313 71:679 72:3027 74:2629 75:1398 76:577 77:2243 78:1879 79:3131 80:2014 81:1647 82:1494 83:1205 84:1352 85:2947 86:740 87:1906 88:1182 89:3383 90:546 91:7615 92:2032 93:2548 94:3501 95:3878 96:1287 97:350 98:1028 99:754 100:77 101:1292 102:2232 103:29030 104:4520 105:465 106:879 107:2540 108:859 109:4328 110:1997 111:3208 112:2031 113:1472 114:1475 115:1971 116:1876 117:2417 118:2300 119:1867 120:1755 121:1022 122:2515 123:2067 124:1529 125:2019 128:1183 129:1040 130:967 131:2046 132:803 133:378 134:1937 135:299 136:889 137:867 138:2502 139:1492 140:931 141:1439 142:1319 143:1403 144:1198 145:344 146:1827 147:1499 148:2192 149:1760 150:854 151:1070 152:1863 153:465 154:3690 155:1445 156:1699 157:1273 158:1040 159:2214 160:2488 161:1305 162:3485 163:1328 164:1613 165:1646 166:762 167:1771 168:3805 169:880 170:4539 171:837 172:3300 173:3118 174:1033 175:1152 176:3617 177:4767 178:3535 179:2189 180:2357 181:3219 182:3173 183:1935 184:2382 185:19608 186:4538 187:3827 188:3986 189:3409 190:8965 191:1461 192:10956 193:8660 194:7056 195:5030 196:3024 197:2380 198:5948 199:6027 200:7522 201:5842 202:10135 203:9972 204:4504 205:3429 206:3672 207:3381 208:4026 209:4678 210:4162 211:2300 212:4018 213:3474 214:1136 215:65 216:6383 217:2632 218:1263 219:408 220:1735 221:959 222:654 223:1953 End of report