IPv4 R&E Routing Table Report 23:05 GMT Thu 19 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: 882384 Prefixes after maximum aggregation (per Origin AS): 335551 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432361 Number of IPv4 prefixes with a valid ROA: 324835 Number of IPv4 prefixes with an invalid ROA: 1048 Number of IPv4 prefixes with no ROA: 556501 Total ASes present in the Internet Routing Table: 72984 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62680 Origin ASes announcing only one prefix: 25731 Transit ASes present in the Internet Routing Table: 10304 Transit-only ASes present in the Internet Routing Table: 385 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: 915 Number of instances of unregistered ASNs: 923 Number of 32-bit ASNs allocated by the RIRs: 39419 Number of 32-bit ASNs visible in the Routing Table: 32636 Prefixes from 32-bit ASNs in the Routing Table: 153694 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: 556 Number of addresses announced to Internet: 3063981056 Equivalent to 182 /8s, 160 /16s and 164 /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: 296911 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228802 Total APNIC prefixes after maximum aggregation: 66084 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224008 Unique aggregates announced from the APNIC address blocks: 94814 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: 3572 APNIC Region transit ASes present in the Internet Routing Table: 1727 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: 7832 Number of APNIC addresses announced to Internet: 773485312 Equivalent to 46 /8s, 26 /16s and 115 /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: 260552 Total ARIN prefixes after maximum aggregation: 119718 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260488 Unique aggregates announced from the ARIN address blocks: 125982 ARIN Region origin ASes present in the Internet Routing Table: 18982 ARIN Prefixes per ASN: 13.72 ARIN Region origin ASes announcing only one prefix: 6926 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4488 Number of ARIN addresses announced to Internet: 1292331264 Equivalent to 77 /8s, 7 /16s and 105 /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: 249711 Total RIPE prefixes after maximum aggregation: 116229 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247103 Unique aggregates announced from the RIPE address blocks: 150910 RIPE Region origin ASes present in the Internet Routing Table: 28111 RIPE Prefixes per ASN: 8.79 RIPE Region origin ASes announcing only one prefix: 12014 RIPE Region transit ASes present in the Internet Routing Table: 3990 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: 10701 Number of RIPE addresses announced to Internet: 713945856 Equivalent to 42 /8s, 141 /16s and 243 /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: 114617 Total LACNIC prefixes after maximum aggregation: 27389 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114460 Unique aggregates announced from the LACNIC address blocks: 48547 LACNIC Region origin ASes present in the Internet Routing Table: 10940 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2206 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: 8657 Number of LACNIC addresses announced to Internet: 176217856 Equivalent to 10 /8s, 128 /16s and 223 /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: 27787 Total AfriNIC prefixes after maximum aggregation: 5459 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35769 Unique aggregates announced from the AfriNIC address blocks: 11654 AfriNIC Region origin ASes present in the Internet Routing Table: 1628 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 559 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: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 958 Number of AfriNIC addresses announced to Internet: 107696640 Equivalent to 6 /8s, 107 /16s and 82 /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 9156 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5896 789 693 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 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 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 6417 10352 2773 AMAZON-02, US 11492 4515 299 648 CABLEONE, US 22773 3906 3062 346 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3570 1815 2531 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 2460 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 6798 1730 150 UNI2-AS, ES 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 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 2486 249 1294 M247, GB 34984 2243 357 628 TELLCOM-AS, TR 58224 1814 931 607 TCI, IR 13188 1609 100 28 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 561 Uninet S.A. de C.V., MX 10620 3466 518 750 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1825 300 469 Mega Cable, S.A. de C.V., MX 6503 1454 355 528 Axtel, S.A.B. de C.V., MX 28573 1367 2331 254 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 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 946 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 10627 3396 561 Uninet S.A. de C.V., MX 9808 9156 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6798 1730 150 UNI2-AS, ES 16509 6417 10352 2773 AMAZON-02, US 7545 5896 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 648 CABLEONE, US 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 3360 192 AKAMAI-ASN1, NL 22773 3906 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 9156 9115 CHINAMOBILE-CN China Mobile Communications Grou 12479 6798 6648 UNI2-AS, ES 7545 5896 5203 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3867 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3942 3750 AKAMAI-ASN1, NL 16509 6417 3644 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 /15:2094 /16:13502 /17:8227 /18:13765 /19:24829 /20:42528 /21:50751 /22:106993 /23:94541 /24:522887 /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 5774 6798 UNI2-AS, ES 8151 4345 10627 Uninet S.A. de C.V., MX 8551 3461 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2917 3906 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 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 2:1040 3:154 4:6 5:3788 6:104 7:5 8:1527 9:1 11:172 12:1710 13:296 14:2374 15:201 16:44 17:384 18:161 20:212 21:4 22:188 23:5660 24:2299 25:6 27:2602 29:19 31:2420 32:92 34:4 35:78 36:1781 37:4421 38:2876 39:696 40:152 41:3957 42:1093 43:2164 44:291 45:15976 46:4128 47:294 49:1683 50:2155 51:108 52:1427 54:369 55:747 56:8 57:60 58:1701 59:1129 60:950 61:2249 62:2514 63:1941 64:5496 65:2314 66:4823 67:2972 68:1194 69:4153 70:1326 71:682 72:3047 74:2640 75:1393 76:580 77:2165 78:1847 79:3113 80:1988 81:1596 82:1495 83:1202 84:1345 85:2919 86:706 87:1965 88:1114 89:3255 90:530 91:7626 92:2013 93:2578 94:3481 95:3851 96:1306 97:349 98:993 99:737 100:76 101:1271 102:2073 103:28962 104:4382 105:462 106:871 107:2516 108:826 109:4238 110:2011 111:3240 112:2027 113:1480 114:1478 115:1972 116:1886 117:2511 118:2331 119:1852 120:1666 121:1021 122:2546 123:2096 124:1528 125:2060 128:1178 129:1092 130:960 131:2053 132:794 133:378 134:1890 135:290 136:881 137:860 138:2434 139:1503 140:854 141:1404 142:1273 143:1445 144:1198 145:344 146:1793 147:1491 148:2217 149:1720 150:847 151:1081 152:1846 153:458 154:3458 155:1421 156:1748 157:1233 158:1048 159:2168 160:2514 161:1273 162:3453 163:1266 164:1640 165:1615 166:710 167:1729 168:3751 169:841 170:4462 171:825 172:3168 173:3130 174:1022 175:1136 176:3580 177:4674 178:3544 179:2034 180:2318 181:2987 182:3201 183:1950 184:2372 185:19467 186:4307 187:3768 188:3871 189:3272 190:8858 191:1305 192:10974 193:8598 194:6991 195:4945 196:2967 197:2378 198:5945 199:6017 200:7409 201:5717 202:10102 203:9982 204:4541 205:3432 206:3691 207:3329 208:4004 209:4633 210:4100 211:2344 212:4018 213:3434 214:1152 215:66 216:6461 217:2662 218:1245 219:405 220:1664 221:977 222:670 223:2113 End of report