IPv4 R&E Routing Table Report 23:05 GMT Sun 05 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: 883470 Prefixes after maximum aggregation (per Origin AS): 336032 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433315 Number of IPv4 prefixes with a valid ROA: 328412 Number of IPv4 prefixes with an invalid ROA: 1312 Number of IPv4 prefixes with no ROA: 553746 Total ASes present in the Internet Routing Table: 72990 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62662 Origin ASes announcing only one prefix: 25754 Transit ASes present in the Internet Routing Table: 10328 Transit-only ASes present in the Internet Routing Table: 380 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 872 Number of instances of unregistered ASNs: 877 Number of 32-bit ASNs allocated by the RIRs: 39557 Number of 32-bit ASNs visible in the Routing Table: 32706 Prefixes from 32-bit ASNs in the Routing Table: 153746 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3064536320 Equivalent to 182 /8s, 169 /16s and 29 /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: 297275 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228456 Total APNIC prefixes after maximum aggregation: 66046 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223890 Unique aggregates announced from the APNIC address blocks: 95008 APNIC Region origin ASes present in the Internet Routing Table: 12597 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: 1743 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: 7873 Number of APNIC addresses announced to Internet: 773148672 Equivalent to 46 /8s, 21 /16s and 80 /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: 261440 Total ARIN prefixes after maximum aggregation: 120006 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261253 Unique aggregates announced from the ARIN address blocks: 126549 ARIN Region origin ASes present in the Internet Routing Table: 18962 ARIN Prefixes per ASN: 13.78 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1866 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: 1293209856 Equivalent to 77 /8s, 20 /16s and 209 /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: 250150 Total RIPE prefixes after maximum aggregation: 116480 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247589 Unique aggregates announced from the RIPE address blocks: 151138 RIPE Region origin ASes present in the Internet Routing Table: 28095 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 3997 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: 714013696 Equivalent to 42 /8s, 142 /16s and 252 /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: 114528 Total LACNIC prefixes after maximum aggregation: 27388 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114342 Unique aggregates announced from the LACNIC address blocks: 48676 LACNIC Region origin ASes present in the Internet Routing Table: 10956 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2223 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: 8671 Number of LACNIC addresses announced to Internet: 176191744 Equivalent to 10 /8s, 128 /16s and 121 /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: 28024 Total AfriNIC prefixes after maximum aggregation: 5455 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35900 Unique aggregates announced from the AfriNIC address blocks: 11532 AfriNIC Region origin ASes present in the Internet Routing Table: 1638 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 570 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 970 Number of AfriNIC addresses announced to Internet: 107685888 Equivalent to 6 /8s, 107 /16s and 40 /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 5936 789 694 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 2249 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 425 214 TATACOMM-AS TATA Communications formerl 24560 2057 852 385 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 6601 10370 2693 AMAZON-02, US 11492 4520 300 649 CABLEONE, US 22773 3912 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3530 1818 2527 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2621 373 184 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 6821 1730 150 UNI2-AS, ES 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 3360 193 AKAMAI-ASN1, NL 39891 3838 224 43 ALJAWWALSTC-AS, SA 12389 2897 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2477 246 1281 M247, GB 34984 2243 357 632 TELLCOM-AS, TR 58224 1843 938 617 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 10635 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 1846 305 477 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 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 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 1652 393 21 LINKdotNET-AS, EG 24835 1474 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 513 51 34 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 10635 3400 558 Uninet S.A. de C.V., MX 9808 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6821 1730 150 UNI2-AS, ES 16509 6601 10370 2693 AMAZON-02, US 7545 5936 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4520 300 649 CABLEONE, US 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 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 6821 6671 UNI2-AS, ES 7545 5936 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6601 3908 AMAZON-02, US 11492 4520 3871 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3838 3795 ALJAWWALSTC-AS, SA 20940 3967 3774 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 /14:1199 /15:2089 /16:13481 /17:8234 /18:13731 /19:24776 /20:42653 /21:50760 /22:107093 /23:94715 /24:523677 /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 5796 6821 UNI2-AS, ES 8151 4362 10635 Uninet S.A. de C.V., MX 8551 3460 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3423 4520 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3150 3838 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 2278 2621 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 2:1019 3:156 4:6 5:3783 6:108 7:5 8:1528 9:1 11:172 12:1678 13:323 14:2373 15:207 16:42 17:385 18:171 20:213 21:4 22:188 23:5661 24:2311 25:6 27:2607 29:19 31:2441 32:92 34:4 35:86 36:1797 37:4462 38:2946 39:707 40:152 41:3957 42:1115 43:2180 44:290 45:15795 46:4135 47:297 49:1671 50:2162 51:108 52:1441 54:381 55:757 56:8 57:59 58:1690 59:1107 60:959 61:2254 62:2528 63:1934 64:5518 65:2335 66:4840 67:2975 68:1192 69:4159 70:1329 71:684 72:3053 74:2645 75:1392 76:577 77:2187 78:1845 79:3112 80:1996 81:1609 82:1496 83:1205 84:1342 85:2932 86:714 87:1972 88:1125 89:3310 90:530 91:7596 92:2011 93:2568 94:3470 95:3881 96:1309 97:349 98:1002 99:747 100:77 101:1272 102:2104 103:29103 104:4468 105:458 106:873 107:2530 108:833 109:4253 110:1976 111:3259 112:2034 113:1473 114:1478 115:1964 116:1890 117:2505 118:2328 119:1847 120:1668 121:1020 122:2510 123:2077 124:1529 125:2059 128:1194 129:1074 130:960 131:2045 132:798 133:378 134:1899 135:291 136:880 137:854 138:2417 139:1516 140:870 141:1416 142:1285 143:1445 144:1209 145:349 146:1802 147:1465 148:2207 149:1727 150:850 151:1077 152:1845 153:458 154:3531 155:1434 156:1721 157:1234 158:1047 159:2209 160:2535 161:1279 162:3456 163:1273 164:1624 165:1620 166:720 167:1734 168:3765 169:850 170:4453 171:829 172:3201 173:3105 174:1018 175:1133 176:3591 177:4613 178:3544 179:2071 180:2322 181:2943 182:3198 183:1951 184:2370 185:19523 186:4258 187:3801 188:3883 189:3295 190:8840 191:1292 192:10991 193:8610 194:7005 195:4921 196:3052 197:2391 198:5937 199:6027 200:7472 201:5711 202:10101 203:9982 204:4532 205:3429 206:3678 207:3327 208:4006 209:4652 210:4124 211:2333 212:4007 213:3392 214:1149 215:67 216:6462 217:2662 218:1269 219:407 220:1675 221:967 222:651 223:2114 End of report