IPv4 R&E Routing Table Report 23:05 GMT Mon 22 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: 891894 Prefixes after maximum aggregation (per Origin AS): 339291 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438610 Number of IPv4 prefixes with a valid ROA: 346619 Number of IPv4 prefixes with an invalid ROA: 1433 Number of IPv4 prefixes with no ROA: 543842 Total ASes present in the Internet Routing Table: 73389 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63002 Origin ASes announcing only one prefix: 25956 Transit ASes present in the Internet Routing Table: 10387 Transit-only ASes present in the Internet Routing Table: 399 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 949 Number of instances of unregistered ASNs: 949 Number of 32-bit ASNs allocated by the RIRs: 40025 Number of 32-bit ASNs visible in the Routing Table: 33175 Prefixes from 32-bit ASNs in the Routing Table: 158231 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: 509 Number of addresses announced to Internet: 3069923584 Equivalent to 182 /8s, 251 /16s and 81 /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: 299823 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230649 Total APNIC prefixes after maximum aggregation: 66766 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225734 Unique aggregates announced from the APNIC address blocks: 96358 APNIC Region origin ASes present in the Internet Routing Table: 12803 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3706 APNIC Region transit ASes present in the Internet Routing Table: 1750 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8098 Number of APNIC addresses announced to Internet: 772689408 Equivalent to 46 /8s, 14 /16s and 78 /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: 263406 Total ARIN prefixes after maximum aggregation: 120535 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263657 Unique aggregates announced from the ARIN address blocks: 127576 ARIN Region origin ASes present in the Internet Routing Table: 18984 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6918 ARIN Region transit ASes present in the Internet Routing Table: 1852 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4574 Number of ARIN addresses announced to Internet: 1295607296 Equivalent to 77 /8s, 57 /16s and 102 /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: 252560 Total RIPE prefixes after maximum aggregation: 118077 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249800 Unique aggregates announced from the RIPE address blocks: 153297 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: 12071 RIPE Region transit ASes present in the Internet Routing Table: 4030 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: 10794 Number of RIPE addresses announced to Internet: 717599232 Equivalent to 42 /8s, 197 /16s and 178 /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: 116103 Total LACNIC prefixes after maximum aggregation: 27672 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115769 Unique aggregates announced from the LACNIC address blocks: 48891 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2243 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: 8707 Number of LACNIC addresses announced to Internet: 176317440 Equivalent to 10 /8s, 130 /16s and 100 /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: 28227 Total AfriNIC prefixes after maximum aggregation: 5508 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36425 Unique aggregates announced from the AfriNIC address blocks: 12053 AfriNIC Region origin ASes present in the Internet Routing Table: 1669 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 585 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1002 Number of AfriNIC addresses announced to Internet: 107422720 Equivalent to 6 /8s, 103 /16s and 36 /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 9094 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3518 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2183 850 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 6870 10402 2735 AMAZON-02, US 11492 4532 300 576 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3818 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1790 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2601 369 270 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2365 4936 404 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 6881 1730 144 UNI2-AS, ES 20940 4055 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2586 252 1322 M247, GB 34984 2252 358 634 TELLCOM-AS, TR 58224 1791 930 543 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 10855 3390 551 Uninet S.A. de C.V., MX 10620 3456 511 839 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1962 319 521 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 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 1127 369 21 Telefonica del Peru S.A.A., PE 11664 1048 179 467 Techtel LMDS Comunicaciones Interactiva 26615 979 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 24863 1603 393 21 LINKdotNET-AS, EG 24835 1526 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 984 67 46 ORANGE-COTE-IVOIRE, CI 36935 809 520 41 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 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 10855 3390 551 Uninet S.A. de C.V., MX 9808 9094 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6881 1730 144 UNI2-AS, ES 16509 6870 10402 2735 AMAZON-02, US 7545 5922 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4532 300 576 CABLEONE, US 20940 4055 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 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 9094 9047 CHINAMOBILE-CN China Mobile Communications Grou 12479 6881 6737 UNI2-AS, ES 7545 5922 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6870 4135 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4532 3956 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4055 3861 AKAMAI-ASN1, NL 7552 3582 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 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 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 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 /16:13475 /17:8271 /18:13806 /19:24751 /20:43111 /21:50838 /22:107766 /23:95870 /24:529635 /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 5866 6881 UNI2-AS, ES 8151 4589 10855 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3448 4532 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2834 3818 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2257 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1946 2:1024 3:157 4:5 5:3856 6:114 7:6 8:1551 9:1 11:172 12:1645 13:338 14:2352 15:242 16:46 17:379 18:195 20:243 21:4 22:188 23:5845 24:2396 25:6 27:2633 29:19 31:2416 32:92 34:7 35:87 36:1860 37:4403 38:3409 39:723 40:148 41:3938 42:1132 43:2202 44:291 45:16090 46:4147 47:302 49:1719 50:1951 51:239 52:1460 54:385 55:837 56:8 57:60 58:1725 59:1114 60:975 61:2286 62:2539 63:1922 64:5559 65:2355 66:4830 67:2962 68:1204 69:4138 70:1314 71:681 72:3021 74:2638 75:1404 76:585 77:2242 78:1917 79:3128 80:2027 81:1637 82:1489 83:1211 84:1365 85:2976 86:740 87:1904 88:1185 89:3393 90:547 91:7634 92:2043 93:2556 94:3517 95:3884 96:1299 97:350 98:1021 99:720 100:77 101:1290 102:2265 103:29661 104:4537 105:471 106:887 107:2545 108:871 109:4328 110:2000 111:3288 112:2052 113:1471 114:1477 115:1987 116:1888 117:2453 118:2312 119:1837 120:1760 121:1023 122:2497 123:2066 124:1539 125:2067 128:1186 129:1029 130:1000 131:2043 132:806 133:378 134:1930 135:300 136:854 137:875 138:2499 139:1507 140:922 141:1437 142:1317 143:1399 144:1199 145:341 146:1837 147:1498 148:2213 149:1764 150:856 151:1073 152:1872 153:465 154:3650 155:1455 156:1729 157:1280 158:1035 159:2199 160:2506 161:1323 162:3495 163:1368 164:1623 165:1647 166:771 167:1775 168:3820 169:879 170:4502 171:837 172:3326 173:3119 174:1020 175:1153 176:3628 177:4728 178:3566 179:2213 180:2376 181:3223 182:3196 183:1937 184:2376 185:19631 186:4496 187:3844 188:3975 189:3419 190:8974 191:1448 192:10955 193:8680 194:7089 195:5046 196:3047 197:2414 198:5958 199:6030 200:7568 201:5786 202:10104 203:9984 204:4516 205:3428 206:3681 207:3388 208:4053 209:4681 210:4145 211:2298 212:4004 213:3467 214:1137 215:66 216:6383 217:2636 218:1264 219:407 220:1751 221:949 222:655 223:1968 End of report