IPv4 R&E Routing Table Report 23:05 GMT Mon 23 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: 882741 Prefixes after maximum aggregation (per Origin AS): 335903 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432613 Number of IPv4 prefixes with a valid ROA: 325766 Number of IPv4 prefixes with an invalid ROA: 1072 Number of IPv4 prefixes with no ROA: 555903 Total ASes present in the Internet Routing Table: 73010 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62716 Origin ASes announcing only one prefix: 25748 Transit ASes present in the Internet Routing Table: 10294 Transit-only ASes present in the Internet Routing Table: 381 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: 908 Number of instances of unregistered ASNs: 911 Number of 32-bit ASNs allocated by the RIRs: 39454 Number of 32-bit ASNs visible in the Routing Table: 32669 Prefixes from 32-bit ASNs in the Routing Table: 153875 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3064235776 Equivalent to 182 /8s, 164 /16s and 135 /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: 296999 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228818 Total APNIC prefixes after maximum aggregation: 66159 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224056 Unique aggregates announced from the APNIC address blocks: 94814 APNIC Region origin ASes present in the Internet Routing Table: 12579 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 3585 APNIC Region transit ASes present in the Internet Routing Table: 1738 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7847 Number of APNIC addresses announced to Internet: 773501184 Equivalent to 46 /8s, 26 /16s and 177 /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: 260737 Total ARIN prefixes after maximum aggregation: 119835 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260661 Unique aggregates announced from the ARIN address blocks: 126031 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6925 ARIN Region transit ASes present in the Internet Routing Table: 1857 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: 4487 Number of ARIN addresses announced to Internet: 1292369664 Equivalent to 77 /8s, 7 /16s and 255 /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: 249855 Total RIPE prefixes after maximum aggregation: 116412 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247245 Unique aggregates announced from the RIPE address blocks: 151033 RIPE Region origin ASes present in the Internet Routing Table: 28123 RIPE Prefixes per ASN: 8.79 RIPE Region origin ASes announcing only one prefix: 12012 RIPE Region transit ASes present in the Internet Routing Table: 3997 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10709 Number of RIPE addresses announced to Internet: 713968128 Equivalent to 42 /8s, 142 /16s and 74 /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: 114545 Total LACNIC prefixes after maximum aggregation: 27364 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114388 Unique aggregates announced from the LACNIC address blocks: 48633 LACNIC Region origin ASes present in the Internet Routing Table: 10948 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2194 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: 8663 Number of LACNIC addresses announced to Internet: 176420096 Equivalent to 10 /8s, 131 /16s and 245 /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: 27878 Total AfriNIC prefixes after maximum aggregation: 5466 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35865 Unique aggregates announced from the AfriNIC address blocks: 11674 AfriNIC Region origin ASes present in the Internet Routing Table: 1635 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 567 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: 963 Number of AfriNIC addresses announced to Internet: 107681024 Equivalent to 6 /8s, 107 /16s and 21 /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 9153 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5895 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3585 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2409 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 438 203 TATACOMM-AS TATA Communications formerl 24560 2046 853 380 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 6442 10354 2790 AMAZON-02, US 11492 4513 299 654 CABLEONE, US 22773 3925 3072 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3539 1821 2534 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2873 50795 2130 DNIC-AS-00749, US 30036 2628 374 151 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2461 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 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 6805 1730 150 UNI2-AS, ES 8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 194 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2898 2273 907 ROSTELECOM-AS, RU 9009 2474 247 1283 M247, GB 34984 2237 357 623 TELLCOM-AS, TR 58224 1805 930 604 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 10627 3400 563 Uninet S.A. de C.V., MX 10620 3473 518 742 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1825 300 468 Mega Cable, S.A. de C.V., MX 6503 1448 355 528 Axtel, S.A.B. de C.V., MX 28573 1370 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1026 192 444 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 945 65 63 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 464 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 10627 3400 563 Uninet S.A. de C.V., MX 9808 9153 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6805 1730 150 UNI2-AS, ES 16509 6442 10354 2790 AMAZON-02, US 7545 5895 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4513 299 654 CABLEONE, US 8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 194 AKAMAI-ASN1, NL 22773 3925 3072 364 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 9153 9113 CHINAMOBILE-CN China Mobile Communications Grou 12479 6805 6655 UNI2-AS, ES 7545 5895 5201 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4513 3859 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3963 3769 AKAMAI-ASN1, NL 16509 6442 3652 AMAZON-02, US 7552 3585 3566 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 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2914 NTT-LTD-2914, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 /13:588 /14:1201 /15:2094 /16:13502 /17:8237 /18:13750 /19:24829 /20:42604 /21:50761 /22:107063 /23:94539 /24:523095 /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 5781 6805 UNI2-AS, ES 8151 4348 10627 Uninet S.A. de C.V., MX 8551 3466 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4513 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2926 3925 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2284 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1019 3:154 4:6 5:3779 6:104 7:5 8:1530 9:1 11:172 12:1707 13:296 14:2366 15:201 16:42 17:383 18:161 20:212 21:4 22:188 23:5648 24:2299 25:6 27:2599 29:19 31:2407 32:92 34:4 35:78 36:1779 37:4431 38:2879 39:702 40:152 41:3951 42:1083 43:2164 44:291 45:16003 46:4124 47:299 49:1668 50:2159 51:108 52:1433 54:369 55:756 56:8 57:60 58:1703 59:1126 60:950 61:2249 62:2514 63:1940 64:5507 65:2331 66:4832 67:2971 68:1194 69:4157 70:1328 71:684 72:3049 74:2646 75:1393 76:578 77:2168 78:1849 79:3115 80:1993 81:1587 82:1498 83:1199 84:1365 85:2920 86:707 87:1964 88:1121 89:3260 90:530 91:7630 92:2011 93:2588 94:3484 95:3850 96:1308 97:349 98:996 99:737 100:76 101:1271 102:2070 103:28995 104:4390 105:465 106:873 107:2516 108:823 109:4256 110:2010 111:3244 112:2027 113:1480 114:1478 115:1974 116:1888 117:2509 118:2332 119:1857 120:1664 121:1021 122:2546 123:2096 124:1531 125:2063 128:1190 129:1088 130:967 131:2047 132:793 133:378 134:1898 135:291 136:881 137:856 138:2427 139:1502 140:853 141:1408 142:1278 143:1440 144:1200 145:347 146:1796 147:1466 148:2220 149:1713 150:849 151:1079 152:1848 153:459 154:3453 155:1422 156:1755 157:1233 158:1046 159:2203 160:2517 161:1276 162:3458 163:1266 164:1639 165:1614 166:712 167:1732 168:3750 169:843 170:4470 171:828 172:3174 173:3126 174:1022 175:1136 176:3582 177:4637 178:3542 179:2052 180:2316 181:2979 182:3203 183:1950 184:2373 185:19488 186:4317 187:3771 188:3872 189:3267 190:8847 191:1313 192:10943 193:8619 194:7001 195:4923 196:2983 197:2377 198:5937 199:6021 200:7483 201:5714 202:10091 203:9985 204:4533 205:3432 206:3687 207:3332 208:4001 209:4631 210:4099 211:2345 212:4012 213:3421 214:1152 215:67 216:6451 217:2666 218:1245 219:405 220:1664 221:978 222:670 223:2113 End of report