IPv4 R&E Routing Table Report 23:05 GMT Mon 06 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: 883038 Prefixes after maximum aggregation (per Origin AS): 336191 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433555 Number of IPv4 prefixes with a valid ROA: 328325 Number of IPv4 prefixes with an invalid ROA: 1271 Number of IPv4 prefixes with no ROA: 553442 Total ASes present in the Internet Routing Table: 72967 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62654 Origin ASes announcing only one prefix: 25745 Transit ASes present in the Internet Routing Table: 10313 Transit-only ASes present in the Internet Routing Table: 377 Paths with bogon ASNs present in the IPv4 Routing Table: 39 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 856 Number of instances of unregistered ASNs: 860 Number of 32-bit ASNs allocated by the RIRs: 39557 Number of 32-bit ASNs visible in the Routing Table: 32702 Prefixes from 32-bit ASNs in the Routing Table: 153784 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: 493 Number of addresses announced to Internet: 3064033024 Equivalent to 182 /8s, 161 /16s and 111 /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: 296828 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228683 Total APNIC prefixes after maximum aggregation: 66139 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224118 Unique aggregates announced from the APNIC address blocks: 95283 APNIC Region origin ASes present in the Internet Routing Table: 12606 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 3603 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 7884 Number of APNIC addresses announced to Internet: 773053184 Equivalent to 46 /8s, 19 /16s and 219 /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: 261495 Total ARIN prefixes after maximum aggregation: 120036 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261357 Unique aggregates announced from the ARIN address blocks: 126618 ARIN Region origin ASes present in the Internet Routing Table: 18956 ARIN Prefixes per ASN: 13.79 ARIN Region origin ASes announcing only one prefix: 6905 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4491 Number of ARIN addresses announced to Internet: 1293064960 Equivalent to 77 /8s, 18 /16s and 155 /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: 250113 Total RIPE prefixes after maximum aggregation: 116509 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247592 Unique aggregates announced from the RIPE address blocks: 151135 RIPE Region origin ASes present in the Internet Routing Table: 28103 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12011 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 10706 Number of RIPE addresses announced to Internet: 713940224 Equivalent to 42 /8s, 141 /16s and 221 /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: 114582 Total LACNIC prefixes after maximum aggregation: 27412 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114366 Unique aggregates announced from the LACNIC address blocks: 48659 LACNIC Region origin ASes present in the Internet Routing Table: 10960 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8673 Number of LACNIC addresses announced to Internet: 176167424 Equivalent to 10 /8s, 128 /16s and 26 /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: 27309 Total AfriNIC prefixes after maximum aggregation: 5449 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 35112 Unique aggregates announced from the AfriNIC address blocks: 11454 AfriNIC Region origin ASes present in the Internet Routing Table: 1608 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 561 AfriNIC Region transit ASes present in the Internet Routing Table: 318 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 948 Number of AfriNIC addresses announced to Internet: 107527680 Equivalent to 6 /8s, 104 /16s and 190 /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 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5938 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3581 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 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 2124 425 215 TATACOMM-AS TATA Communications formerl 24560 2063 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 6604 10369 2713 AMAZON-02, US 11492 4521 300 650 CABLEONE, US 22773 3912 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 2613 373 219 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2437 4961 418 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 6823 1730 150 UNI2-AS, ES 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3969 3360 193 AKAMAI-ASN1, NL 39891 3853 225 43 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2472 246 1280 M247, GB 34984 2243 357 632 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 10644 3400 558 Uninet S.A. de C.V., MX 10620 3487 519 731 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1848 305 478 Mega Cable, S.A. de C.V., MX 6503 1445 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 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1022 192 446 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 1658 393 21 LINKdotNET-AS, EG 24835 1541 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 23889 420 232 16 MauritiusTelecom, MU 37342 381 32 1 MOVITEL, MZ 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 10644 3400 558 Uninet S.A. de C.V., MX 9808 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6823 1730 150 UNI2-AS, ES 16509 6604 10369 2713 AMAZON-02, US 7545 5938 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4521 300 650 CABLEONE, US 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3969 3360 193 AKAMAI-ASN1, NL 22773 3912 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 9199 9164 CHINAMOBILE-CN China Mobile Communications Grou 12479 6823 6673 UNI2-AS, ES 7545 5938 5246 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6604 3891 AMAZON-02, US 11492 4521 3871 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3853 3810 ALJAWWALSTC-AS, SA 20940 3969 3776 AKAMAI-ASN1, NL 7552 3581 3562 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 /14:1197 /15:2091 /16:13480 /17:8225 /18:13715 /19:24768 /20:42638 /21:50717 /22:107146 /23:94777 /24:523222 /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 5798 6823 UNI2-AS, ES 8151 4369 10644 Uninet S.A. de C.V., MX 8551 3461 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3424 4521 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3165 3853 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2913 3912 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2270 2613 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 2:1023 3:156 4:6 5:3781 6:108 7:5 8:1528 9:1 11:172 12:1678 13:323 14:2373 15:208 16:42 17:385 18:171 20:213 21:4 22:188 23:5660 24:2312 25:6 27:2606 29:19 31:2438 32:92 34:3 35:86 36:1798 37:4465 38:2965 39:707 40:152 41:3739 42:1119 43:2188 44:291 45:15805 46:4136 47:297 49:1672 50:2163 51:108 52:1441 54:380 55:758 56:8 57:59 58:1693 59:1109 60:960 61:2255 62:2519 63:1934 64:5519 65:2339 66:4819 67:2973 68:1192 69:4161 70:1330 71:683 72:3054 74:2650 75:1390 76:578 77:2187 78:1846 79:3115 80:1995 81:1609 82:1491 83:1206 84:1342 85:2916 86:713 87:1971 88:1124 89:3311 90:530 91:7597 92:2007 93:2571 94:3470 95:3880 96:1309 97:349 98:1002 99:755 100:77 101:1271 102:2083 103:29126 104:4473 105:456 106:872 107:2531 108:838 109:4255 110:1974 111:3256 112:2034 113:1475 114:1474 115:1963 116:1890 117:2512 118:2326 119:1848 120:1668 121:1020 122:2511 123:2077 124:1538 125:2056 128:1193 129:1071 130:968 131:2026 132:799 133:378 134:1906 135:291 136:879 137:849 138:2414 139:1515 140:873 141:1414 142:1287 143:1441 144:1206 145:349 146:1805 147:1490 148:2208 149:1727 150:854 151:1077 152:1846 153:459 154:3507 155:1430 156:1722 157:1237 158:1047 159:2209 160:2534 161:1282 162:3456 163:1274 164:1625 165:1609 166:721 167:1733 168:3761 169:846 170:4470 171:828 172:3203 173:3102 174:1018 175:1141 176:3592 177:4601 178:3546 179:2075 180:2322 181:2944 182:3199 183:1951 184:2371 185:19527 186:4248 187:3794 188:3899 189:3303 190:8844 191:1285 192:10992 193:8612 194:7005 195:4921 196:2911 197:2236 198:5929 199:6026 200:7462 201:5716 202:10097 203:9987 204:4528 205:3428 206:3666 207:3336 208:4006 209:4667 210:4150 211:2331 212:3979 213:3392 214:1149 215:67 216:6462 217:2656 218:1269 219:407 220:1673 221:999 222:652 223:2113 End of report