IPv4 R&E Routing Table Report 23:05 GMT Thu 26 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: 880580 Prefixes after maximum aggregation (per Origin AS): 335366 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 431615 Number of IPv4 prefixes with a valid ROA: 324754 Number of IPv4 prefixes with an invalid ROA: 1125 Number of IPv4 prefixes with no ROA: 554701 Total ASes present in the Internet Routing Table: 72834 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62555 Origin ASes announcing only one prefix: 25694 Transit ASes present in the Internet Routing Table: 10279 Transit-only ASes present in the Internet Routing Table: 379 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: 880 Number of instances of unregistered ASNs: 884 Number of 32-bit ASNs allocated by the RIRs: 39478 Number of 32-bit ASNs visible in the Routing Table: 32621 Prefixes from 32-bit ASNs in the Routing Table: 153649 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3064029696 Equivalent to 182 /8s, 161 /16s and 98 /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: 295173 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228784 Total APNIC prefixes after maximum aggregation: 66161 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224039 Unique aggregates announced from the APNIC address blocks: 94909 APNIC Region origin ASes present in the Internet Routing Table: 12582 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 3596 APNIC Region transit ASes present in the Internet Routing Table: 1735 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7855 Number of APNIC addresses announced to Internet: 773313536 Equivalent to 46 /8s, 23 /16s and 212 /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: 261033 Total ARIN prefixes after maximum aggregation: 120049 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 260874 Unique aggregates announced from the ARIN address blocks: 126122 ARIN Region origin ASes present in the Internet Routing Table: 18970 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6915 ARIN Region transit ASes present in the Internet Routing Table: 1864 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: 4485 Number of ARIN addresses announced to Internet: 1293294336 Equivalent to 77 /8s, 22 /16s and 27 /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: 247535 Total RIPE prefixes after maximum aggregation: 115646 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 245021 Unique aggregates announced from the RIPE address blocks: 149847 RIPE Region origin ASes present in the Internet Routing Table: 27954 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 11964 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10654 Number of RIPE addresses announced to Internet: 713051904 Equivalent to 42 /8s, 128 /16s and 79 /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: 114459 Total LACNIC prefixes after maximum aggregation: 27378 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114276 Unique aggregates announced from the LACNIC address blocks: 48633 LACNIC Region origin ASes present in the Internet Routing Table: 10954 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2202 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8666 Number of LACNIC addresses announced to Internet: 176443136 Equivalent to 10 /8s, 132 /16s and 79 /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: 27889 Total AfriNIC prefixes after maximum aggregation: 5479 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35869 Unique aggregates announced from the AfriNIC address blocks: 11692 AfriNIC Region origin ASes present in the Internet Routing Table: 1633 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 563 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 961 Number of AfriNIC addresses announced to Internet: 107645696 Equivalent to 6 /8s, 106 /16s and 139 /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 9198 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3559 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 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 2121 425 214 TATACOMM-AS TATA Communications formerl 24560 2048 853 384 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 6480 10360 2811 AMAZON-02, US 11492 4510 299 671 CABLEONE, US 22773 3916 3072 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3530 1818 2527 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2868 50793 2126 DNIC-AS-00749, US 30036 2622 373 167 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2428 4961 419 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 6815 1730 150 UNI2-AS, ES 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3954 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 2471 246 1277 M247, GB 34984 2236 357 628 TELLCOM-AS, TR 58224 1814 931 607 TCI, IR 13188 1549 97 118 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 10592 3401 559 Uninet S.A. de C.V., MX 10620 3480 518 736 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1832 302 471 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1357 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 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 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 956 65 64 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 513 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 10592 3401 559 Uninet S.A. de C.V., MX 9808 9198 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6815 1730 150 UNI2-AS, ES 16509 6480 10360 2811 AMAZON-02, US 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4510 299 671 CABLEONE, US 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3954 3360 194 AKAMAI-ASN1, NL 22773 3916 3072 363 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 9198 9158 CHINAMOBILE-CN China Mobile Communications Grou 12479 6815 6665 UNI2-AS, ES 7545 5924 5231 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3997 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4510 3839 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3954 3760 AKAMAI-ASN1, NL 16509 6480 3669 AMAZON-02, US 22773 3916 3553 ASN-CXA-ALL-CCI-22773-RDC, US 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 /13:587 /14:1201 /15:2095 /16:13493 /17:8231 /18:13697 /19:24700 /20:42573 /21:50648 /22:106820 /23:94407 /24:521650 /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 5788 6815 UNI2-AS, ES 8151 4368 10592 Uninet S.A. de C.V., MX 8551 3463 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4510 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3916 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2279 2622 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1014 3:154 4:6 5:3650 6:104 7:5 8:1528 9:1 11:172 12:1709 13:295 14:2372 15:202 16:42 17:382 18:164 20:212 21:4 22:188 23:5640 24:2309 25:6 27:2602 29:19 31:2397 32:92 34:4 35:81 36:1788 37:4436 38:2892 39:704 40:152 41:3956 42:1093 43:2165 44:291 45:15998 46:3950 47:298 49:1676 50:2160 51:108 52:1434 54:370 55:757 56:8 57:59 58:1689 59:1113 60:956 61:2252 62:2518 63:1937 64:5525 65:2333 66:4822 67:2969 68:1192 69:4162 70:1330 71:684 72:3055 74:2647 75:1392 76:584 77:2102 78:1784 79:3106 80:1975 81:1531 82:1493 83:1195 84:1353 85:2837 86:693 87:1944 88:1113 89:3263 90:530 91:7557 92:1996 93:2580 94:3462 95:3813 96:1309 97:349 98:998 99:737 100:77 101:1274 102:2080 103:29007 104:4405 105:463 106:873 107:2518 108:824 109:4193 110:2020 111:3253 112:2034 113:1473 114:1475 115:1973 116:1890 117:2511 118:2315 119:1855 120:1665 121:1019 122:2545 123:2091 124:1528 125:2059 128:1184 129:1091 130:969 131:2040 132:792 133:378 134:1900 135:291 136:880 137:861 138:2428 139:1505 140:855 141:1409 142:1277 143:1436 144:1207 145:347 146:1802 147:1490 148:2220 149:1723 150:849 151:1079 152:1849 153:459 154:3439 155:1428 156:1750 157:1233 158:1046 159:2198 160:2529 161:1280 162:3456 163:1266 164:1640 165:1618 166:715 167:1733 168:3744 169:838 170:4463 171:828 172:3170 173:3117 174:1023 175:1131 176:3537 177:4649 178:3478 179:2029 180:2323 181:2970 182:3208 183:1951 184:2369 185:19104 186:4257 187:3779 188:3780 189:3278 190:8860 191:1303 192:10968 193:8589 194:6989 195:4899 196:2977 197:2375 198:5938 199:6029 200:7476 201:5716 202:10096 203:9997 204:4534 205:3437 206:3684 207:3334 208:4007 209:4638 210:4092 211:2348 212:3978 213:3418 214:1156 215:67 216:6456 217:2645 218:1262 219:405 220:1672 221:978 222:670 223:2118 End of report