IPv4 R&E Routing Table Report 23:05 GMT Sun 21 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: 891808 Prefixes after maximum aggregation (per Origin AS): 339165 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438615 Number of IPv4 prefixes with a valid ROA: 346386 Number of IPv4 prefixes with an invalid ROA: 1404 Number of IPv4 prefixes with no ROA: 544018 Total ASes present in the Internet Routing Table: 73382 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 62994 Origin ASes announcing only one prefix: 25960 Transit ASes present in the Internet Routing Table: 10388 Transit-only ASes present in the Internet Routing Table: 398 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 952 Number of instances of unregistered ASNs: 952 Number of 32-bit ASNs allocated by the RIRs: 40025 Number of 32-bit ASNs visible in the Routing Table: 33172 Prefixes from 32-bit ASNs in the Routing Table: 158111 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: 511 Number of addresses announced to Internet: 3069876480 Equivalent to 182 /8s, 250 /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: 299855 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230631 Total APNIC prefixes after maximum aggregation: 66729 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225692 Unique aggregates announced from the APNIC address blocks: 96372 APNIC Region origin ASes present in the Internet Routing Table: 12801 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3700 APNIC Region transit ASes present in the Internet Routing Table: 1748 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8097 Number of APNIC addresses announced to Internet: 772677376 Equivalent to 46 /8s, 14 /16s and 31 /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: 263427 Total ARIN prefixes after maximum aggregation: 120528 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263671 Unique aggregates announced from the ARIN address blocks: 127547 ARIN Region origin ASes present in the Internet Routing Table: 18977 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6916 ARIN Region transit ASes present in the Internet Routing Table: 1855 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: 4569 Number of ARIN addresses announced to Internet: 1295508736 Equivalent to 77 /8s, 55 /16s and 229 /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: 252603 Total RIPE prefixes after maximum aggregation: 118080 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249848 Unique aggregates announced from the RIPE address blocks: 153273 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 4029 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: 10795 Number of RIPE addresses announced to Internet: 717695232 Equivalent to 42 /8s, 199 /16s and 41 /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: 115961 Total LACNIC prefixes after maximum aggregation: 27590 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115638 Unique aggregates announced from the LACNIC address blocks: 48952 LACNIC Region origin ASes present in the Internet Routing Table: 10981 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8710 Number of LACNIC addresses announced to Internet: 176344064 Equivalent to 10 /8s, 130 /16s and 204 /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: 28234 Total AfriNIC prefixes after maximum aggregation: 5505 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36448 Unique aggregates announced from the AfriNIC address blocks: 12036 AfriNIC Region origin ASes present in the Internet Routing Table: 1666 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 585 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: 1001 Number of AfriNIC addresses announced to Internet: 107363328 Equivalent to 6 /8s, 102 /16s and 60 /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 9093 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 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 2173 848 408 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 6873 10403 2728 AMAZON-02, US 11492 4533 300 575 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3817 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1790 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3035 50728 2293 DNIC-AS-00749, US 30036 2604 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2528 3387 363 GOOGLE-CLOUD-PLATFORM, US 209 2366 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 6872 1730 144 UNI2-AS, ES 20940 4051 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2588 252 1321 M247, GB 34984 2252 358 634 TELLCOM-AS, TR 58224 1762 926 571 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 10847 3390 551 Uninet S.A. de C.V., MX 10620 3489 515 784 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1960 319 525 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 1127 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1603 393 21 LINKdotNET-AS, EG 24835 1526 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 983 67 46 ORANGE-COTE-IVOIRE, CI 36935 809 520 41 Vodafone-, EG 6713 612 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 10847 3390 551 Uninet S.A. de C.V., MX 9808 9093 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6873 10403 2728 AMAZON-02, US 12479 6872 1730 144 UNI2-AS, ES 7545 5920 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4533 300 575 CABLEONE, US 20940 4051 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3998 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 9093 9046 CHINAMOBILE-CN China Mobile Communications Grou 12479 6872 6728 UNI2-AS, ES 7545 5920 5223 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6873 4145 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3998 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4533 3958 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4051 3857 AKAMAI-ASN1, NL 7552 3582 3562 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 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 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 /16:13485 /17:8265 /18:13816 /19:24746 /20:43084 /21:50825 /22:107731 /23:95833 /24:529651 /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 5857 6872 UNI2-AS, ES 8151 4581 10847 Uninet S.A. de C.V., MX 8551 3456 3998 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3448 4533 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2833 3817 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2260 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1949 2:1022 3:157 4:5 5:3858 6:113 7:6 8:1549 9:1 11:172 12:1645 13:337 14:2353 15:242 16:46 17:379 18:192 20:243 21:4 22:188 23:5833 24:2395 25:6 27:2616 29:19 31:2415 32:92 34:7 35:87 36:1859 37:4470 38:3403 39:721 40:129 41:3939 42:1134 43:2198 44:291 45:16079 46:4146 47:302 49:1719 50:1951 51:239 52:1460 54:385 55:843 56:8 57:58 58:1726 59:1114 60:974 61:2285 62:2539 63:1922 64:5559 65:2358 66:4831 67:2962 68:1204 69:4140 70:1314 71:681 72:3021 74:2642 75:1404 76:577 77:2242 78:1917 79:3122 80:2030 81:1639 82:1488 83:1211 84:1363 85:2976 86:738 87:1907 88:1186 89:3391 90:547 91:7637 92:2038 93:2555 94:3514 95:3882 96:1301 97:351 98:1020 99:721 100:77 101:1290 102:2262 103:29662 104:4559 105:470 106:886 107:2546 108:874 109:4328 110:1999 111:3288 112:2052 113:1464 114:1476 115:1985 116:1889 117:2454 118:2314 119:1838 120:1760 121:1020 122:2497 123:2065 124:1539 125:2067 128:1187 129:1023 130:999 131:2028 132:806 133:378 134:1930 135:300 136:853 137:881 138:2492 139:1501 140:929 141:1450 142:1315 143:1396 144:1200 145:341 146:1838 147:1497 148:2214 149:1772 150:856 151:1076 152:1869 153:465 154:3688 155:1454 156:1728 157:1280 158:1037 159:2197 160:2528 161:1324 162:3497 163:1365 164:1644 165:1642 166:779 167:1776 168:3811 169:881 170:4491 171:835 172:3327 173:3120 174:1020 175:1152 176:3623 177:4723 178:3563 179:2202 180:2376 181:3235 182:3196 183:1938 184:2375 185:19634 186:4505 187:3840 188:3978 189:3405 190:8967 191:1444 192:10954 193:8684 194:7088 195:5051 196:3050 197:2431 198:5951 199:6028 200:7554 201:5775 202:10099 203:9985 204:4513 205:3431 206:3677 207:3388 208:4048 209:4689 210:4148 211:2299 212:4002 213:3459 214:1135 215:66 216:6382 217:2633 218:1267 219:407 220:1752 221:949 222:656 223:1969 End of report