IPv4 R&E Routing Table Report 23:05 GMT Tue 17 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: 881921 Prefixes after maximum aggregation (per Origin AS): 335621 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432200 Number of IPv4 prefixes with a valid ROA: 324304 Number of IPv4 prefixes with an invalid ROA: 1062 Number of IPv4 prefixes with no ROA: 556555 Total ASes present in the Internet Routing Table: 72972 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62690 Origin ASes announcing only one prefix: 25736 Transit ASes present in the Internet Routing Table: 10282 Transit-only ASes present in the Internet Routing Table: 375 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: 888 Number of 32-bit ASNs allocated by the RIRs: 39395 Number of 32-bit ASNs visible in the Routing Table: 32619 Prefixes from 32-bit ASNs in the Routing Table: 153558 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3069548032 Equivalent to 182 /8s, 245 /16s and 150 /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: 296479 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228830 Total APNIC prefixes after maximum aggregation: 66088 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224019 Unique aggregates announced from the APNIC address blocks: 94809 APNIC Region origin ASes present in the Internet Routing Table: 12563 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 3574 APNIC Region transit ASes present in the Internet Routing Table: 1722 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7828 Number of APNIC addresses announced to Internet: 775562752 Equivalent to 46 /8s, 58 /16s and 38 /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: 260521 Total ARIN prefixes after maximum aggregation: 119789 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 260481 Unique aggregates announced from the ARIN address blocks: 125969 ARIN Region origin ASes present in the Internet Routing Table: 18966 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6915 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4479 Number of ARIN addresses announced to Internet: 1295569408 Equivalent to 77 /8s, 56 /16s and 210 /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: 249293 Total RIPE prefixes after maximum aggregation: 116210 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246684 Unique aggregates announced from the RIPE address blocks: 150692 RIPE Region origin ASes present in the Internet Routing Table: 28119 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 10697 Number of RIPE addresses announced to Internet: 713859328 Equivalent to 42 /8s, 140 /16s and 161 /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: 114581 Total LACNIC prefixes after maximum aggregation: 27385 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114414 Unique aggregates announced from the LACNIC address blocks: 48593 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: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2207 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: 8652 Number of LACNIC addresses announced to Internet: 176413696 Equivalent to 10 /8s, 131 /16s and 220 /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: 27816 Total AfriNIC prefixes after maximum aggregation: 5476 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35804 Unique aggregates announced from the AfriNIC address blocks: 11691 AfriNIC Region origin ASes present in the Internet Routing Table: 1633 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 565 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 963 Number of AfriNIC addresses announced to Internet: 107814656 Equivalent to 6 /8s, 109 /16s and 31 /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 9145 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 240 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 438 204 TATACOMM-AS TATA Communications formerl 24560 2044 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 6403 10350 2766 AMAZON-02, US 11492 4492 298 697 CABLEONE, US 22773 3911 3062 346 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3600 1835 2544 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2882 50795 2138 DNIC-AS-00749, US 30036 2630 374 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2461 4961 420 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 6786 1730 150 UNI2-AS, ES 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3955 3360 192 AKAMAI-ASN1, NL 39891 3647 210 36 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2482 248 1288 M247, GB 34984 2247 358 631 TELLCOM-AS, TR 58224 1814 931 607 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 10614 3397 562 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1807 299 474 Mega Cable, S.A. de C.V., MX 6503 1454 355 528 Axtel, S.A.B. de C.V., MX 28573 1390 2333 253 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 957 133 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 1656 393 21 LINKdotNET-AS, EG 24835 1441 497 29 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 947 65 57 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 465 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 10614 3397 562 Uninet S.A. de C.V., MX 9808 9145 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6786 1730 150 UNI2-AS, ES 16509 6403 10350 2766 AMAZON-02, US 7545 5923 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4492 298 697 CABLEONE, US 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3955 3360 192 AKAMAI-ASN1, NL 22773 3911 3062 346 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 9145 9104 CHINAMOBILE-CN China Mobile Communications Grou 12479 6786 6636 UNI2-AS, ES 7545 5923 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4492 3795 CABLEONE, US 20940 3955 3763 AKAMAI-ASN1, NL 16509 6403 3637 AMAZON-02, US 39891 3647 3611 ALJAWWALSTC-AS, SA 22773 3911 3565 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 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 2914 NTT-LTD-2914, US 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 /11:101 /12:303 /13:589 /14:1204 /15:2097 /16:13522 /17:8242 /18:13757 /19:24840 /20:42499 /21:50764 /22:106951 /23:94510 /24:522467 /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 5764 6786 UNI2-AS, ES 8151 4331 10614 Uninet S.A. de C.V., MX 8551 3469 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3398 4492 CABLEONE, US 6327 3250 3437 SHAW, CA 7155 2991 3901 VIASAT-SP-BACKBONE, US 39891 2971 3647 ALJAWWALSTC-AS, SA 22773 2924 3911 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2286 2630 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1923 2:1042 3:154 4:6 5:3788 6:104 7:5 8:1529 9:1 11:172 12:1711 13:297 14:2374 15:201 16:44 17:384 18:161 20:212 21:4 22:188 23:5661 24:2287 25:6 27:2601 29:19 31:2422 32:93 34:4 35:77 36:1782 37:4414 38:2834 39:694 40:153 41:3967 42:1091 43:2166 44:290 45:15971 46:4124 47:295 49:1682 50:2151 51:100 52:1426 54:367 55:697 56:8 57:60 58:1700 59:1129 60:958 61:2248 62:2506 63:1937 64:5494 65:2314 66:4820 67:2972 68:1194 69:4144 70:1328 71:682 72:3048 74:2640 75:1392 76:579 77:2164 78:1847 79:3111 80:1985 81:1587 82:1492 83:1205 84:1341 85:2914 86:706 87:1964 88:1110 89:3264 90:520 91:7622 92:2015 93:2540 94:3476 95:3694 96:1305 97:349 98:995 99:737 100:75 101:1270 102:2068 103:28973 104:4376 105:462 106:871 107:2512 108:822 109:4234 110:2012 111:3242 112:2025 113:1473 114:1479 115:1975 116:1887 117:2510 118:2343 119:1858 120:1666 121:1021 122:2547 123:2095 124:1532 125:2060 128:1179 129:1088 130:961 131:2050 132:792 133:373 134:1890 135:289 136:881 137:851 138:2423 139:1504 140:851 141:1408 142:1280 143:1454 144:1203 145:343 146:1795 147:1494 148:2219 149:1719 150:845 151:1081 152:1847 153:459 154:3481 155:1423 156:1756 157:1235 158:1045 159:2171 160:2527 161:1271 162:3456 163:1264 164:1635 165:1614 166:708 167:1727 168:3757 169:836 170:4479 171:828 172:3173 173:3112 174:1022 175:1135 176:3516 177:4655 178:3524 179:2045 180:2318 181:2962 182:3201 183:1949 184:2382 185:19491 186:4323 187:3749 188:3856 189:3267 190:8859 191:1319 192:10981 193:8606 194:6988 195:4952 196:2971 197:2376 198:5941 199:6021 200:7411 201:5709 202:10091 203:9995 204:4539 205:3435 206:3688 207:3331 208:4026 209:4632 210:4084 211:2345 212:3990 213:3427 214:1155 215:67 216:6455 217:2663 218:1246 219:405 220:1670 221:977 222:670 223:2112 End of report