IPv4 R&E Routing Table Report 23:05 GMT Sat 13 Aug, 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: 890757 Prefixes after maximum aggregation (per Origin AS): 338949 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438014 Number of IPv4 prefixes with a valid ROA: 345166 Number of IPv4 prefixes with an invalid ROA: 1386 Number of IPv4 prefixes with no ROA: 544205 Total ASes present in the Internet Routing Table: 73370 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62983 Origin ASes announcing only one prefix: 25973 Transit ASes present in the Internet Routing Table: 10387 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 962 Number of instances of unregistered ASNs: 962 Number of 32-bit ASNs allocated by the RIRs: 39974 Number of 32-bit ASNs visible in the Routing Table: 33139 Prefixes from 32-bit ASNs in the Routing Table: 157789 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3070387712 Equivalent to 183 /8s, 2 /16s and 102 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299690 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230020 Total APNIC prefixes after maximum aggregation: 66626 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225164 Unique aggregates announced from the APNIC address blocks: 96187 APNIC Region origin ASes present in the Internet Routing Table: 12796 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3708 APNIC Region transit ASes present in the Internet Routing Table: 1745 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8088 Number of APNIC addresses announced to Internet: 772641024 Equivalent to 46 /8s, 13 /16s and 145 /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: 263236 Total ARIN prefixes after maximum aggregation: 120481 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263485 Unique aggregates announced from the ARIN address blocks: 127459 ARIN Region origin ASes present in the Internet Routing Table: 18989 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1860 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4570 Number of ARIN addresses announced to Internet: 1295718656 Equivalent to 77 /8s, 59 /16s and 25 /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: 252477 Total RIPE prefixes after maximum aggregation: 117927 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249681 Unique aggregates announced from the RIPE address blocks: 153179 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 4034 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10792 Number of RIPE addresses announced to Internet: 717705216 Equivalent to 42 /8s, 199 /16s and 80 /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: 116021 Total LACNIC prefixes after maximum aggregation: 27607 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115699 Unique aggregates announced from the LACNIC address blocks: 48908 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2237 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8697 Number of LACNIC addresses announced to Internet: 176241152 Equivalent to 10 /8s, 129 /16s and 58 /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: 28041 Total AfriNIC prefixes after maximum aggregation: 5570 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36218 Unique aggregates announced from the AfriNIC address blocks: 11845 AfriNIC Region origin ASes present in the Internet Routing Table: 1659 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 992 Number of AfriNIC addresses announced to Internet: 107789056 Equivalent to 6 /8s, 108 /16s and 187 /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 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5909 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2158 851 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 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 6865 10406 2722 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3826 3064 347 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1791 2508 AKAMAI-AS, US 6327 3432 1319 62 SHAW, CA 749 3028 50730 2286 DNIC-AS-00749, US 30036 2604 371 288 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3385 361 GOOGLE-CLOUD-PLATFORM, US 209 2369 4936 406 CENTURYLINK-US-LEGACY-QWEST, 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 6861 1730 144 UNI2-AS, ES 20940 4045 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2600 254 1331 M247, GB 34984 2246 358 631 TELLCOM-AS, TR 58224 1720 913 598 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 10839 3399 558 Uninet S.A. de C.V., MX 10620 3486 515 778 Telmex Colombia S.A., CO 11830 2382 369 64 Instituto Costarricense de Electricidad 13999 1954 320 522 Mega Cable, S.A. de C.V., MX 28573 1362 2329 265 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1124 369 21 Telefonica del Peru S.A.A., PE 11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva 26615 976 2466 43 TIM SA, BR 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 24835 1546 521 31 RAYA-AS, EG 24863 1541 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 975 66 52 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10839 3399 558 Uninet S.A. de C.V., MX 9808 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6865 10406 2722 AMAZON-02, US 12479 6861 1730 144 UNI2-AS, ES 7545 5909 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4045 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 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 9070 9023 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 7545 5909 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6865 4143 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4045 3851 AKAMAI-ASN1, NL 7552 3583 3563 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:101 /12:303 /13:592 /14:1204 /15:2097 /16:13487 /17:8258 /18:13801 /19:24727 /20:43076 /21:50810 /22:107675 /23:95428 /24:529124 /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 5848 6861 UNI2-AS, ES 8151 4561 10839 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3244 3432 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2843 3826 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2261 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1938 2:1023 3:157 4:5 5:3832 6:112 7:6 8:1549 9:1 11:172 12:1647 13:339 14:2355 15:243 16:44 17:383 18:188 20:242 21:4 22:188 23:5848 24:2388 25:6 27:2610 29:19 31:2423 32:92 34:7 35:87 36:1850 37:4452 38:3391 39:723 40:152 41:3896 42:1133 43:2189 44:287 45:16054 46:4136 47:302 49:1696 50:1940 51:237 52:1459 54:385 55:847 56:8 57:59 58:1723 59:1115 60:964 61:2270 62:2536 63:1928 64:5560 65:2369 66:4841 67:2979 68:1206 69:4139 70:1313 71:681 72:3040 74:2633 75:1398 76:578 77:2240 78:1905 79:3125 80:2020 81:1651 82:1495 83:1210 84:1364 85:2961 86:744 87:1912 88:1200 89:3397 90:547 91:7638 92:2040 93:2539 94:3512 95:3874 96:1296 97:350 98:1023 99:738 100:77 101:1291 102:2227 103:29569 104:4536 105:467 106:881 107:2546 108:861 109:4336 110:1994 111:3284 112:2041 113:1459 114:1477 115:1983 116:1885 117:2446 118:2303 119:1870 120:1753 121:1023 122:2502 123:2066 124:1520 125:2038 128:1186 129:1033 130:999 131:2047 132:804 133:378 134:1934 135:299 136:856 137:874 138:2502 139:1506 140:930 141:1445 142:1324 143:1397 144:1197 145:341 146:1842 147:1493 148:2212 149:1759 150:860 151:1068 152:1866 153:464 154:3681 155:1457 156:1727 157:1278 158:1032 159:2209 160:2501 161:1319 162:3485 163:1342 164:1633 165:1643 166:776 167:1774 168:3802 169:876 170:4503 171:838 172:3321 173:3113 174:1034 175:1145 176:3639 177:4781 178:3545 179:2221 180:2367 181:3225 182:3192 183:1935 184:2379 185:19605 186:4492 187:3831 188:3989 189:3413 190:8934 191:1445 192:10956 193:8674 194:7084 195:5044 196:3026 197:2404 198:5953 199:6018 200:7518 201:5802 202:10105 203:9989 204:4513 205:3436 206:3690 207:3388 208:4027 209:4673 210:4149 211:2301 212:4005 213:3464 214:1133 215:65 216:6385 217:2641 218:1263 219:407 220:1751 221:949 222:654 223:1966 End of report