IPv4 R&E Routing Table Report 23:05 GMT Tue 09 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: 890391 Prefixes after maximum aggregation (per Origin AS): 338599 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437748 Number of IPv4 prefixes with a valid ROA: 344233 Number of IPv4 prefixes with an invalid ROA: 1434 Number of IPv4 prefixes with no ROA: 544724 Total ASes present in the Internet Routing Table: 73337 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62943 Origin ASes announcing only one prefix: 25961 Transit ASes present in the Internet Routing Table: 10394 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 928 Number of instances of unregistered ASNs: 928 Number of 32-bit ASNs allocated by the RIRs: 39956 Number of 32-bit ASNs visible in the Routing Table: 33107 Prefixes from 32-bit ASNs in the Routing Table: 157631 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: 486 Number of addresses announced to Internet: 3070562304 Equivalent to 183 /8s, 5 /16s and 16 /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: 299597 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229988 Total APNIC prefixes after maximum aggregation: 66528 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225080 Unique aggregates announced from the APNIC address blocks: 96212 APNIC Region origin ASes present in the Internet Routing Table: 12785 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3697 APNIC Region transit ASes present in the Internet Routing Table: 1749 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: 8079 Number of APNIC addresses announced to Internet: 772652032 Equivalent to 46 /8s, 13 /16s and 188 /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: 263122 Total ARIN prefixes after maximum aggregation: 120527 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263370 Unique aggregates announced from the ARIN address blocks: 127385 ARIN Region origin ASes present in the Internet Routing Table: 18994 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4567 Number of ARIN addresses announced to Internet: 1295836160 Equivalent to 77 /8s, 60 /16s and 228 /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: 252184 Total RIPE prefixes after maximum aggregation: 117697 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249486 Unique aggregates announced from the RIPE address blocks: 153072 RIPE Region origin ASes present in the Internet Routing Table: 28169 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 4032 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: 10782 Number of RIPE addresses announced to Internet: 717707520 Equivalent to 42 /8s, 199 /16s and 89 /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: 116065 Total LACNIC prefixes after maximum aggregation: 27554 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115761 Unique aggregates announced from the LACNIC address blocks: 48832 LACNIC Region origin ASes present in the Internet Routing Table: 10955 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 8686 Number of LACNIC addresses announced to Internet: 176319232 Equivalent to 10 /8s, 130 /16s and 107 /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: 28104 Total AfriNIC prefixes after maximum aggregation: 5579 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36208 Unique aggregates announced from the AfriNIC address blocks: 11833 AfriNIC Region origin ASes present in the Internet Routing Table: 1663 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 580 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 993 Number of AfriNIC addresses announced to Internet: 107766016 Equivalent to 6 /8s, 108 /16s and 97 /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 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5911 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3599 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 594 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 2124 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 6813 10398 2716 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3835 3069 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3457 1781 2495 AKAMAI-AS, US 6327 3447 1319 62 SHAW, CA 749 3029 50730 2287 DNIC-AS-00749, US 30036 2605 371 282 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 361 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 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 6863 1730 144 UNI2-AS, ES 20940 4030 3360 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 2754 355 21 UKRTELNET, UA 9009 2607 254 1334 M247, GB 34984 2246 358 630 TELLCOM-AS, TR 58224 1774 933 539 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 10798 3395 556 Uninet S.A. de C.V., MX 10620 3485 515 777 Telmex Colombia S.A., CO 11830 2404 369 64 Instituto Costarricense de Electricidad 13999 1947 318 518 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1093 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 1540 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 972 66 53 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 463 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 10798 3395 556 Uninet S.A. de C.V., MX 9808 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6863 1730 144 UNI2-AS, ES 16509 6813 10398 2716 AMAZON-02, US 7545 5911 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4030 3360 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 9014 8967 CHINAMOBILE-CN China Mobile Communications Grou 12479 6863 6719 UNI2-AS, ES 7545 5911 5215 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6813 4097 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 4030 3836 AKAMAI-ASN1, NL 7552 3599 3580 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 /15:2099 /16:13493 /17:8261 /18:13799 /19:24729 /20:43087 /21:50791 /22:107682 /23:95379 /24:528797 /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 5850 6863 UNI2-AS, ES 8151 4529 10798 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3259 3447 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3835 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2263 2605 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1954 2:1022 3:157 4:5 5:3833 6:111 7:6 8:1545 9:1 11:172 12:1638 13:338 14:2336 15:238 16:44 17:383 18:186 20:242 21:4 22:188 23:5842 24:2391 25:6 27:2608 29:19 31:2412 32:92 34:7 35:87 36:1848 37:4429 38:3363 39:720 40:152 41:3897 42:1124 43:2193 44:288 45:16084 46:4127 47:302 49:1697 50:1942 51:237 52:1458 54:384 55:845 56:8 57:59 58:1718 59:1112 60:966 61:2278 62:2535 63:1929 64:5557 65:2369 66:4824 67:2967 68:1195 69:4141 70:1313 71:680 72:3037 74:2627 75:1398 76:577 77:2243 78:1897 79:3129 80:2015 81:1658 82:1496 83:1202 84:1365 85:2964 86:738 87:1908 88:1199 89:3390 90:545 91:7618 92:2039 93:2539 94:3498 95:3874 96:1295 97:350 98:1028 99:745 100:77 101:1293 102:2215 103:29541 104:4538 105:463 106:883 107:2541 108:857 109:4332 110:1994 111:3273 112:2040 113:1469 114:1472 115:1976 116:1883 117:2425 118:2300 119:1870 120:1754 121:1017 122:2506 123:2074 124:1521 125:2030 128:1188 129:1040 130:969 131:2044 132:797 133:378 134:1938 135:299 136:892 137:871 138:2505 139:1496 140:932 141:1444 142:1319 143:1394 144:1203 145:341 146:1837 147:1510 148:2212 149:1760 150:856 151:1068 152:1866 153:465 154:3694 155:1448 156:1692 157:1285 158:1037 159:2209 160:2495 161:1312 162:3484 163:1354 164:1635 165:1643 166:761 167:1778 168:3796 169:880 170:4517 171:838 172:3308 173:3112 174:1033 175:1153 176:3620 177:4791 178:3534 179:2196 180:2366 181:3216 182:3184 183:1934 184:2380 185:19607 186:4546 187:3820 188:3988 189:3412 190:8976 191:1467 192:10942 193:8670 194:7057 195:5033 196:3036 197:2396 198:5953 199:6024 200:7493 201:5805 202:10136 203:10015 204:4502 205:3431 206:3678 207:3391 208:4030 209:4676 210:4164 211:2275 212:4018 213:3464 214:1092 215:65 216:6385 217:2640 218:1263 219:407 220:1735 221:949 222:655 223:1966 End of report