IPv4 R&E Routing Table Report 23:05 GMT Fri 06 May, 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: 881442 Prefixes after maximum aggregation (per Origin AS): 335000 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 430504 Number of IPv4 prefixes with a valid ROA: 322028 Number of IPv4 prefixes with an invalid ROA: 1061 Number of IPv4 prefixes with no ROA: 558353 Total ASes present in the Internet Routing Table: 72917 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62614 Origin ASes announcing only one prefix: 25723 Transit ASes present in the Internet Routing Table: 10303 Transit-only ASes present in the Internet Routing Table: 369 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 860 Number of instances of unregistered ASNs: 865 Number of 32-bit ASNs allocated by the RIRs: 39310 Number of 32-bit ASNs visible in the Routing Table: 32573 Prefixes from 32-bit ASNs in the Routing Table: 153378 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 481 Number of addresses announced to Internet: 3066553856 Equivalent to 182 /8s, 199 /16s and 230 /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: 296422 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228680 Total APNIC prefixes after maximum aggregation: 65977 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 223774 Unique aggregates announced from the APNIC address blocks: 94712 APNIC Region origin ASes present in the Internet Routing Table: 12520 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 3556 APNIC Region transit ASes present in the Internet Routing Table: 1710 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7787 Number of APNIC addresses announced to Internet: 773298944 Equivalent to 46 /8s, 23 /16s and 155 /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: 260117 Total ARIN prefixes after maximum aggregation: 119463 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260100 Unique aggregates announced from the ARIN address blocks: 124798 ARIN Region origin ASes present in the Internet Routing Table: 18948 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6907 ARIN Region transit ASes present in the Internet Routing Table: 1871 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4464 Number of ARIN addresses announced to Internet: 1295333376 Equivalent to 77 /8s, 53 /16s and 56 /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: 249326 Total RIPE prefixes after maximum aggregation: 116076 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246644 Unique aggregates announced from the RIPE address blocks: 150381 RIPE Region origin ASes present in the Internet Routing Table: 28124 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10702 Number of RIPE addresses announced to Internet: 713902848 Equivalent to 42 /8s, 141 /16s and 75 /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: 114654 Total LACNIC prefixes after maximum aggregation: 27376 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114499 Unique aggregates announced from the LACNIC address blocks: 48570 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2213 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8664 Number of LACNIC addresses announced to Internet: 176409856 Equivalent to 10 /8s, 131 /16s and 205 /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: 27805 Total AfriNIC prefixes after maximum aggregation: 5450 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35944 Unique aggregates announced from the AfriNIC address blocks: 11626 AfriNIC Region origin ASes present in the Internet Routing Table: 1624 AfriNIC Prefixes per ASN: 22.13 AfriNIC Region origin ASes announcing only one prefix: 561 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 956 Number of AfriNIC addresses announced to Internet: 107336960 Equivalent to 6 /8s, 101 /16s and 213 /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 9131 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3432 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2402 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2118 438 201 TATACOMM-AS TATA Communications formerl 24560 2053 855 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6347 10281 2724 AMAZON-02, US 11492 4490 298 690 CABLEONE, US 22773 3924 3064 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3602 1842 2543 AKAMAI-AS, US 6327 3436 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2623 374 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2512 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 492 CHARTER-20115, 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 6772 1730 150 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3930 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2900 355 21 UKRTELNET, UA 12389 2896 2273 908 ROSTELECOM-AS, RU 9009 2496 250 1298 M247, GB 34984 2239 358 633 TELLCOM-AS, TR 58224 1815 931 614 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 10581 3394 562 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1784 298 470 Mega Cable, S.A. de C.V., MX 6503 1458 355 527 Axtel, S.A.B. de C.V., MX 28573 1389 2333 253 CLARO S.A., BR 3816 1255 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1014 191 443 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 Alestra, S. de R.L. de C.V., MX 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 1653 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 927 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 32 1 MOVITEL, MZ 23889 420 232 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 10581 3394 562 Uninet S.A. de C.V., MX 9808 9131 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6772 1730 150 UNI2-AS, ES 16509 6347 10281 2724 AMAZON-02, US 7545 5921 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4490 298 690 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3930 3360 192 AKAMAI-ASN1, NL 22773 3924 3064 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 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 9131 9090 CHINAMOBILE-CN China Mobile Communications Grou 12479 6772 6622 UNI2-AS, ES 7545 5921 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4490 3800 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3930 3738 AKAMAI-ASN1, NL 16509 6347 3623 AMAZON-02, US 7552 3592 3573 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 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 /10:40 /11:100 /12:303 /13:589 /14:1203 /15:2099 /16:13523 /17:8241 /18:13773 /19:24829 /20:42424 /21:50764 /22:106963 /23:94423 /24:522131 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5753 6772 UNI2-AS, ES 8151 4297 10581 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3396 4490 CABLEONE, US 6327 3249 3436 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2934 3924 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2752 2900 UKRTELNET, UA 30036 2279 2623 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1925 2:1032 3:154 4:6 5:3782 6:104 7:5 8:1525 9:1 11:172 12:1709 13:299 14:2375 15:198 16:45 17:385 18:159 20:211 21:4 22:188 23:5641 24:2263 25:6 27:2599 29:19 31:2419 32:93 34:1 35:73 36:1777 37:4419 38:2792 39:699 40:153 41:3975 42:1089 43:2173 44:293 45:15960 46:4122 47:293 49:1684 50:2154 51:100 52:1420 54:365 55:701 56:8 57:60 58:1696 59:1116 60:959 61:2245 62:2501 63:1949 64:5485 65:2318 66:4812 67:2972 68:1190 69:4115 70:1334 71:672 72:3047 74:2640 75:1390 76:585 77:2182 78:1851 79:3109 80:1994 81:1594 82:1492 83:1204 84:1352 85:2909 86:710 87:1964 88:1103 89:3295 90:517 91:7613 92:1992 93:2579 94:3491 95:3849 96:1304 97:349 98:993 99:736 100:75 101:1273 102:2086 103:28896 104:4372 105:459 106:873 107:2535 108:820 109:4201 110:2015 111:3231 112:2026 113:1472 114:1480 115:1970 116:1878 117:2510 118:2329 119:1857 120:1662 121:1018 122:2545 123:2092 124:1532 125:2057 128:1178 129:1094 130:956 131:2040 132:791 133:372 134:1895 135:289 136:882 137:846 138:2445 139:1499 140:847 141:1398 142:1280 143:1443 144:1208 145:343 146:1797 147:1473 148:2220 149:1720 150:846 151:1080 152:1849 153:459 154:3539 155:1419 156:1768 157:1227 158:1041 159:2154 160:2490 161:1262 162:3457 163:1259 164:1627 165:1607 166:701 167:1725 168:3778 169:842 170:4477 171:827 172:3137 173:3098 174:1023 175:1134 176:3482 177:4657 178:3495 179:2020 180:2316 181:2978 182:3209 183:1950 184:2383 185:19434 186:4345 187:3704 188:3856 189:3211 190:8851 191:1322 192:10981 193:8598 194:6984 195:4948 196:2990 197:2429 198:5948 199:6023 200:7410 201:5713 202:10084 203:9989 204:4553 205:3427 206:3693 207:3338 208:4022 209:4638 210:4056 211:2342 212:4001 213:3419 214:1151 215:67 216:6423 217:2669 218:1248 219:405 220:1670 221:977 222:670 223:2108 End of report