IPv4 R&E Routing Table Report 23:05 GMT Tue 07 Jun, 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: 884032 Prefixes after maximum aggregation (per Origin AS): 336264 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433718 Number of IPv4 prefixes with a valid ROA: 328964 Number of IPv4 prefixes with an invalid ROA: 1308 Number of IPv4 prefixes with no ROA: 553760 Total ASes present in the Internet Routing Table: 73025 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62714 Origin ASes announcing only one prefix: 25766 Transit ASes present in the Internet Routing Table: 10311 Transit-only ASes present in the Internet Routing Table: 377 Paths with bogon ASNs present in the IPv4 Routing Table: 40 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 858 Number of instances of unregistered ASNs: 862 Number of 32-bit ASNs allocated by the RIRs: 39561 Number of 32-bit ASNs visible in the Routing Table: 32732 Prefixes from 32-bit ASNs in the Routing Table: 153991 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3063982336 Equivalent to 182 /8s, 160 /16s and 169 /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: 297368 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228712 Total APNIC prefixes after maximum aggregation: 66134 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224139 Unique aggregates announced from the APNIC address blocks: 95279 APNIC Region origin ASes present in the Internet Routing Table: 12612 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3607 APNIC Region transit ASes present in the Internet Routing Table: 1740 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: 7891 Number of APNIC addresses announced to Internet: 773064192 Equivalent to 46 /8s, 20 /16s and 6 /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: 261661 Total ARIN prefixes after maximum aggregation: 120086 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261514 Unique aggregates announced from the ARIN address blocks: 126643 ARIN Region origin ASes present in the Internet Routing Table: 18965 ARIN Prefixes per ASN: 13.79 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1861 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: 4493 Number of ARIN addresses announced to Internet: 1293163776 Equivalent to 77 /8s, 20 /16s and 29 /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: 250146 Total RIPE prefixes after maximum aggregation: 116517 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247569 Unique aggregates announced from the RIPE address blocks: 151168 RIPE Region origin ASes present in the Internet Routing Table: 28104 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12017 RIPE Region transit ASes present in the Internet Routing Table: 3994 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: 10700 Number of RIPE addresses announced to Internet: 713547520 Equivalent to 42 /8s, 135 /16s and 223 /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: 114677 Total LACNIC prefixes after maximum aggregation: 27424 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114455 Unique aggregates announced from the LACNIC address blocks: 48666 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2220 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8677 Number of LACNIC addresses announced to Internet: 176212480 Equivalent to 10 /8s, 128 /16s and 202 /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: 27978 Total AfriNIC prefixes after maximum aggregation: 5452 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35859 Unique aggregates announced from the AfriNIC address blocks: 11551 AfriNIC Region origin ASes present in the Internet Routing Table: 1643 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 568 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: 39 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 971 Number of AfriNIC addresses announced to Internet: 107708928 Equivalent to 6 /8s, 107 /16s and 130 /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 9210 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2409 499 235 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 24560 2064 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 6606 10368 2706 AMAZON-02, US 11492 4521 300 650 CABLEONE, US 22773 3911 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3523 1814 2525 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2615 373 209 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2437 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 489 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 6822 1730 150 UNI2-AS, ES 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3970 3360 193 AKAMAI-ASN1, NL 39891 3868 226 45 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2867 355 21 UKRTELNET, UA 9009 2476 246 1281 M247, GB 34984 2242 357 631 TELLCOM-AS, TR 58224 1845 938 618 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 10664 3400 555 Uninet S.A. de C.V., MX 10620 3487 519 736 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1852 305 479 Mega Cable, S.A. de C.V., MX 6503 1444 355 527 Axtel, S.A.B. de C.V., MX 28573 1370 2334 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 192 445 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 1626 393 21 LINKdotNET-AS, EG 24835 1493 519 32 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 774 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 458 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 10664 3400 555 Uninet S.A. de C.V., MX 9808 9210 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6822 1730 150 UNI2-AS, ES 16509 6606 10368 2706 AMAZON-02, US 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4521 300 650 CABLEONE, US 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3970 3360 193 AKAMAI-ASN1, NL 22773 3911 3070 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 9210 9175 CHINAMOBILE-CN China Mobile Communications Grou 12479 6822 6672 UNI2-AS, ES 7545 5918 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3997 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6606 3900 AMAZON-02, US 11492 4521 3871 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3868 3823 ALJAWWALSTC-AS, SA 20940 3970 3777 AKAMAI-ASN1, NL 7552 3578 3559 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 23.141.0.0/24 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 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:99 /12:300 /13:588 /14:1198 /15:2088 /16:13474 /17:8232 /18:13726 /19:24775 /20:42653 /21:50763 /22:107190 /23:94858 /24:524013 /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 5799 6822 UNI2-AS, ES 8151 4390 10664 Uninet S.A. de C.V., MX 8551 3463 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3424 4521 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3180 3868 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2912 3911 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2724 2867 UKRTELNET, UA 30036 2271 2615 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 2:1022 3:157 4:6 5:3785 6:108 7:5 8:1528 9:1 11:172 12:1678 13:328 14:2361 15:209 16:42 17:385 18:169 20:213 21:4 22:188 23:5657 24:2322 25:6 27:2611 29:19 31:2439 32:92 34:3 35:86 36:1800 37:4467 38:2965 39:708 40:152 41:3936 42:1119 43:2192 44:291 45:15806 46:4121 47:298 49:1672 50:2161 51:108 52:1438 54:381 55:757 56:8 57:59 58:1693 59:1110 60:957 61:2256 62:2520 63:1932 64:5530 65:2340 66:4820 67:2972 68:1192 69:4166 70:1330 71:683 72:3053 74:2649 75:1390 76:578 77:2189 78:1843 79:3115 80:1995 81:1610 82:1491 83:1206 84:1329 85:2926 86:713 87:1967 88:1124 89:3315 90:531 91:7595 92:2007 93:2569 94:3463 95:3872 96:1309 97:349 98:1002 99:754 100:77 101:1270 102:2120 103:29143 104:4476 105:457 106:864 107:2531 108:838 109:4257 110:1975 111:3259 112:2035 113:1472 114:1474 115:1963 116:1891 117:2512 118:2329 119:1843 120:1667 121:1020 122:2511 123:2079 124:1539 125:2054 128:1191 129:1070 130:968 131:2031 132:799 133:378 134:1907 135:294 136:880 137:855 138:2416 139:1519 140:876 141:1418 142:1287 143:1445 144:1208 145:349 146:1808 147:1489 148:2208 149:1726 150:855 151:1077 152:1845 153:459 154:3539 155:1431 156:1728 157:1238 158:1047 159:2209 160:2535 161:1280 162:3462 163:1274 164:1626 165:1628 166:717 167:1739 168:3763 169:844 170:4473 171:828 172:3204 173:3102 174:1018 175:1141 176:3591 177:4604 178:3540 179:2075 180:2323 181:2945 182:3199 183:1949 184:2371 185:19520 186:4276 187:3782 188:3916 189:3294 190:8860 191:1291 192:10998 193:8610 194:7008 195:4925 196:3053 197:2377 198:5941 199:6025 200:7478 201:5736 202:10102 203:9986 204:4529 205:3437 206:3677 207:3341 208:4005 209:4665 210:4151 211:2332 212:4004 213:3398 214:1149 215:67 216:6465 217:2664 218:1269 219:407 220:1673 221:999 222:652 223:2113 End of report