IPv4 R&E Routing Table Report 23:05 GMT Fri 20 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: 882628 Prefixes after maximum aggregation (per Origin AS): 335652 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432582 Number of IPv4 prefixes with a valid ROA: 325093 Number of IPv4 prefixes with an invalid ROA: 1119 Number of IPv4 prefixes with no ROA: 556416 Total ASes present in the Internet Routing Table: 72984 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62701 Origin ASes announcing only one prefix: 25744 Transit ASes present in the Internet Routing Table: 10283 Transit-only ASes present in the Internet Routing Table: 377 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: 899 Number of instances of unregistered ASNs: 902 Number of 32-bit ASNs allocated by the RIRs: 39434 Number of 32-bit ASNs visible in the Routing Table: 32641 Prefixes from 32-bit ASNs in the Routing Table: 153808 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: 547 Number of addresses announced to Internet: 3064123392 Equivalent to 182 /8s, 162 /16s and 208 /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: 296884 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228838 Total APNIC prefixes after maximum aggregation: 66122 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224038 Unique aggregates announced from the APNIC address blocks: 94860 APNIC Region origin ASes present in the Internet Routing Table: 12566 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 3579 APNIC Region transit ASes present in the Internet Routing Table: 1725 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: 7833 Number of APNIC addresses announced to Internet: 773496064 Equivalent to 46 /8s, 26 /16s and 157 /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: 260665 Total ARIN prefixes after maximum aggregation: 119725 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260633 Unique aggregates announced from the ARIN address blocks: 126022 ARIN Region origin ASes present in the Internet Routing Table: 18973 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6917 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: 4482 Number of ARIN addresses announced to Internet: 1292327936 Equivalent to 77 /8s, 7 /16s and 92 /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: 249888 Total RIPE prefixes after maximum aggregation: 116292 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247175 Unique aggregates announced from the RIPE address blocks: 150980 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: 12019 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 10705 Number of RIPE addresses announced to Internet: 713944064 Equivalent to 42 /8s, 141 /16s and 236 /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: 114577 Total LACNIC prefixes after maximum aggregation: 27385 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114404 Unique aggregates announced from the LACNIC address blocks: 48615 LACNIC Region origin ASes present in the Internet Routing Table: 10947 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2199 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: 8662 Number of LACNIC addresses announced to Internet: 176346112 Equivalent to 10 /8s, 130 /16s and 212 /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: 27761 Total AfriNIC prefixes after maximum aggregation: 5460 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35831 Unique aggregates announced from the AfriNIC address blocks: 11659 AfriNIC Region origin ASes present in the Internet Routing Table: 1630 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 560 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: 959 Number of AfriNIC addresses announced to Internet: 107705856 Equivalent to 6 /8s, 107 /16s and 118 /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 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5897 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3591 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 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 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 6456 10354 2776 AMAZON-02, US 11492 4516 299 649 CABLEONE, US 22773 3913 3067 352 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 2881 50795 2138 DNIC-AS-00749, US 30036 2634 374 120 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2463 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 6801 1730 150 UNI2-AS, ES 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2487 249 1293 M247, GB 34984 2242 357 627 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 10627 3396 566 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1827 300 469 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 1022 192 445 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 1653 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 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 3396 566 Uninet S.A. de C.V., MX 9808 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6801 1730 150 UNI2-AS, ES 16509 6456 10354 2776 AMAZON-02, US 7545 5897 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 649 CABLEONE, US 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 22773 3913 3067 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 9155 9115 CHINAMOBILE-CN China Mobile Communications Grou 12479 6801 6651 UNI2-AS, ES 7545 5897 5203 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3997 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3867 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3963 3771 AKAMAI-ASN1, NL 16509 6456 3680 AMAZON-02, US 7552 3591 3572 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 /13:588 /14:1201 /15:2093 /16:13498 /17:8222 /18:13761 /19:24845 /20:42550 /21:50774 /22:107009 /23:94585 /24:523024 /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 5777 6801 UNI2-AS, ES 8151 4349 10627 Uninet S.A. de C.V., MX 8551 3463 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2290 2634 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1922 2:1020 3:154 4:6 5:3787 6:104 7:5 8:1529 9:1 11:172 12:1710 13:303 14:2370 15:201 16:41 17:384 18:161 20:212 21:4 22:188 23:5656 24:2298 25:6 27:2599 29:19 31:2422 32:92 34:4 35:78 36:1778 37:4422 38:2882 39:697 40:152 41:3965 42:1094 43:2162 44:291 45:15997 46:4131 47:295 49:1684 50:2156 51:108 52:1436 54:369 55:747 56:8 57:60 58:1700 59:1127 60:948 61:2250 62:2507 63:1941 64:5501 65:2336 66:4833 67:2971 68:1193 69:4138 70:1328 71:684 72:3048 74:2644 75:1392 76:579 77:2161 78:1847 79:3112 80:1991 81:1599 82:1496 83:1201 84:1342 85:2912 86:707 87:1960 88:1118 89:3266 90:531 91:7619 92:2013 93:2585 94:3483 95:3851 96:1308 97:349 98:994 99:736 100:76 101:1271 102:2072 103:28978 104:4380 105:463 106:871 107:2513 108:825 109:4251 110:2012 111:3240 112:2026 113:1480 114:1478 115:1972 116:1889 117:2511 118:2337 119:1857 120:1666 121:1021 122:2545 123:2096 124:1528 125:2059 128:1177 129:1090 130:966 131:2049 132:794 133:378 134:1890 135:290 136:881 137:860 138:2434 139:1501 140:854 141:1399 142:1279 143:1439 144:1200 145:346 146:1795 147:1492 148:2220 149:1720 150:849 151:1079 152:1846 153:459 154:3462 155:1418 156:1749 157:1234 158:1047 159:2171 160:2519 161:1275 162:3453 163:1265 164:1641 165:1616 166:711 167:1733 168:3754 169:840 170:4471 171:825 172:3173 173:3128 174:1021 175:1137 176:3580 177:4651 178:3544 179:2025 180:2318 181:2984 182:3201 183:1950 184:2375 185:19472 186:4307 187:3758 188:3872 189:3275 190:8844 191:1306 192:10968 193:8607 194:6994 195:4950 196:3037 197:2367 198:5941 199:6017 200:7414 201:5723 202:10089 203:9986 204:4541 205:3435 206:3690 207:3334 208:4004 209:4631 210:4100 211:2345 212:4013 213:3429 214:1152 215:67 216:6453 217:2666 218:1250 219:405 220:1664 221:977 222:670 223:2113 End of report