IPv4 R&E Routing Table Report 23:05 GMT Wed 18 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: 882125 Prefixes after maximum aggregation (per Origin AS): 335669 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432158 Number of IPv4 prefixes with a valid ROA: 324461 Number of IPv4 prefixes with an invalid ROA: 1052 Number of IPv4 prefixes with no ROA: 556612 Total ASes present in the Internet Routing Table: 73010 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62717 Origin ASes announcing only one prefix: 25764 Transit ASes present in the Internet Routing Table: 10293 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: 906 Number of instances of unregistered ASNs: 914 Number of 32-bit ASNs allocated by the RIRs: 39418 Number of 32-bit ASNs visible in the Routing Table: 32650 Prefixes from 32-bit ASNs in the Routing Table: 153573 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: 549 Number of addresses announced to Internet: 3067310080 Equivalent to 182 /8s, 211 /16s and 112 /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: 296487 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228925 Total APNIC prefixes after maximum aggregation: 66092 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224128 Unique aggregates announced from the APNIC address blocks: 94760 APNIC Region origin ASes present in the Internet Routing Table: 12568 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 3573 APNIC Region transit ASes present in the Internet Routing Table: 1724 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7831 Number of APNIC addresses announced to Internet: 773444096 Equivalent to 46 /8s, 25 /16s and 210 /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: 260605 Total ARIN prefixes after maximum aggregation: 119817 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260557 Unique aggregates announced from the ARIN address blocks: 125947 ARIN Region origin ASes present in the Internet Routing Table: 18978 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6926 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: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4485 Number of ARIN addresses announced to Internet: 1295558912 Equivalent to 77 /8s, 56 /16s and 169 /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: 249301 Total RIPE prefixes after maximum aggregation: 116232 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 246685 Unique aggregates announced from the RIPE address blocks: 150782 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 10708 Number of RIPE addresses announced to Internet: 713887744 Equivalent to 42 /8s, 141 /16s and 16 /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: 114586 Total LACNIC prefixes after maximum aggregation: 27389 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114425 Unique aggregates announced from the LACNIC address blocks: 48569 LACNIC Region origin ASes present in the Internet Routing Table: 10949 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2204 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: 8661 Number of LACNIC addresses announced to Internet: 176345088 Equivalent to 10 /8s, 130 /16s and 208 /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: 27802 Total AfriNIC prefixes after maximum aggregation: 5470 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35781 Unique aggregates announced from the AfriNIC address blocks: 11647 AfriNIC Region origin ASes present in the Internet Routing Table: 1634 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 563 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: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 965 Number of AfriNIC addresses announced to Internet: 107740416 Equivalent to 6 /8s, 107 /16s and 253 /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 9148 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 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 499 239 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 2119 438 204 TATACOMM-AS TATA Communications formerl 24560 2045 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 6400 10349 2780 AMAZON-02, US 11492 4490 298 696 CABLEONE, US 22773 3907 3062 346 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3591 1829 2542 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2633 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2461 4961 420 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 6791 1730 150 UNI2-AS, ES 20940 3949 3360 192 AKAMAI-ASN1, NL 8551 3852 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2482 248 1288 M247, GB 34984 2246 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 10621 3396 561 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1822 300 470 Mega Cable, S.A. de C.V., MX 6503 1454 355 528 Axtel, S.A.B. de C.V., MX 28573 1368 2333 255 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 10621 3396 561 Uninet S.A. de C.V., MX 9808 9148 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6791 1730 150 UNI2-AS, ES 16509 6400 10349 2780 AMAZON-02, US 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4490 298 696 CABLEONE, US 20940 3949 3360 192 AKAMAI-ASN1, NL 22773 3907 3062 346 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 8551 3852 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9148 9107 CHINAMOBILE-CN China Mobile Communications Grou 12479 6791 6641 UNI2-AS, ES 7545 5924 5231 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3901 3870 VIASAT-SP-BACKBONE, US 8551 3852 3813 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4490 3794 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3949 3757 AKAMAI-ASN1, NL 16509 6400 3620 AMAZON-02, US 7552 3589 3570 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 23.131.8.0/24 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 /11:100 /12:303 /13:589 /14:1205 /15:2097 /16:13524 /17:8236 /18:13772 /19:24848 /20:42511 /21:50763 /22:106924 /23:94522 /24:522656 /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 5768 6791 UNI2-AS, ES 8151 4339 10621 Uninet S.A. de C.V., MX 11492 3396 4490 CABLEONE, US 8551 3318 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3250 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2920 3907 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2289 2633 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1921 2:1037 3:154 4:6 5:3790 6:104 7:5 8:1529 9:1 11:172 12:1706 13:297 14:2374 15:201 16:44 17:384 18:159 20:212 21:4 22:188 23:5664 24:2292 25:6 27:2598 29:19 31:2420 32:93 34:4 35:76 36:1781 37:4413 38:2877 39:696 40:153 41:3963 42:1093 43:2160 44:292 45:15983 46:4123 47:296 49:1683 50:2154 51:100 52:1427 54:369 55:748 56:8 57:60 58:1700 59:1129 60:958 61:2248 62:2507 63:1937 64:5495 65:2314 66:4820 67:2972 68:1194 69:4144 70:1327 71:682 72:3046 74:2640 75:1392 76:579 77:2162 78:1847 79:3111 80:1990 81:1587 82:1494 83:1205 84:1341 85:2917 86:704 87:1965 88:1113 89:3266 90:523 91:7624 92:2015 93:2577 94:3362 95:3853 96:1306 97:349 98:993 99:736 100:76 101:1271 102:2062 103:29080 104:4381 105:462 106:871 107:2513 108:822 109:4095 110:2012 111:3238 112:2025 113:1474 114:1479 115:1978 116:1890 117:2510 118:2337 119:1857 120:1658 121:1021 122:2554 123:2095 124:1527 125:2059 128:1176 129:1092 130:961 131:2053 132:793 133:377 134:1890 135:289 136:881 137:852 138:2429 139:1504 140:853 141:1407 142:1278 143:1443 144:1199 145:344 146:1793 147:1492 148:2208 149:1721 150:844 151:1083 152:1846 153:459 154:3462 155:1424 156:1747 157:1234 158:1045 159:2168 160:2515 161:1272 162:3454 163:1265 164:1636 165:1615 166:706 167:1729 168:3752 169:838 170:4470 171:825 172:3176 173:3113 174:1021 175:1135 176:3577 177:4658 178:3519 179:2032 180:2319 181:2982 182:3201 183:1949 184:2380 185:19475 186:4301 187:3759 188:3857 189:3270 190:8865 191:1319 192:10988 193:8605 194:6984 195:4947 196:2964 197:2375 198:5943 199:6019 200:7410 201:5722 202:10099 203:9985 204:4540 205:3442 206:3691 207:3329 208:4028 209:4629 210:4097 211:2344 212:4017 213:3432 214:1154 215:66 216:6457 217:2668 218:1246 219:405 220:1672 221:977 222:670 223:2109 End of report