IPv4 R&E Routing Table Report 23:05 GMT Thu 07 Jul, 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: 886711 Prefixes after maximum aggregation (per Origin AS): 337480 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 435691 Number of IPv4 prefixes with a valid ROA: 334332 Number of IPv4 prefixes with an invalid ROA: 1337 Number of IPv4 prefixes with no ROA: 551042 Total ASes present in the Internet Routing Table: 73167 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62788 Origin ASes announcing only one prefix: 25849 Transit ASes present in the Internet Routing Table: 10379 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 976 Number of instances of unregistered ASNs: 980 Number of 32-bit ASNs allocated by the RIRs: 39747 Number of 32-bit ASNs visible in the Routing Table: 32892 Prefixes from 32-bit ASNs in the Routing Table: 156111 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: 518 Number of addresses announced to Internet: 3066812928 Equivalent to 182 /8s, 203 /16s and 218 /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: 298321 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229027 Total APNIC prefixes after maximum aggregation: 66313 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224154 Unique aggregates announced from the APNIC address blocks: 95421 APNIC Region origin ASes present in the Internet Routing Table: 12680 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3649 APNIC Region transit ASes present in the Internet Routing Table: 1736 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7960 Number of APNIC addresses announced to Internet: 772312320 Equivalent to 46 /8s, 8 /16s and 141 /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: 262243 Total ARIN prefixes after maximum aggregation: 120114 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262460 Unique aggregates announced from the ARIN address blocks: 126848 ARIN Region origin ASes present in the Internet Routing Table: 18955 ARIN Prefixes per ASN: 13.85 ARIN Region origin ASes announcing only one prefix: 6916 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4532 Number of ARIN addresses announced to Internet: 1295907584 Equivalent to 77 /8s, 61 /16s and 251 /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: 251206 Total RIPE prefixes after maximum aggregation: 117343 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248540 Unique aggregates announced from the RIPE address blocks: 152507 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.83 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 4029 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10732 Number of RIPE addresses announced to Internet: 714087168 Equivalent to 42 /8s, 144 /16s and 27 /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: 115239 Total LACNIC prefixes after maximum aggregation: 27456 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115030 Unique aggregates announced from the LACNIC address blocks: 48769 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8692 Number of LACNIC addresses announced to Internet: 176442624 Equivalent to 10 /8s, 132 /16s and 77 /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: 28020 Total AfriNIC prefixes after maximum aggregation: 5512 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36009 Unique aggregates announced from the AfriNIC address blocks: 11706 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 320 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: 976 Number of AfriNIC addresses announced to Internet: 107753216 Equivalent to 6 /8s, 108 /16s and 47 /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 8990 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 787 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 596 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 424 215 TATACOMM-AS TATA Communications formerl 24560 2105 848 408 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 6773 10393 2690 AMAZON-02, US 11492 4508 299 676 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3877 3068 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3466 1784 2505 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2993 50740 2251 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2413 4936 412 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 6854 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3984 3360 195 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2575 254 1332 M247, GB 34984 2251 358 639 TELLCOM-AS, TR 58224 1775 933 560 TCI, IR 61317 1629 115 1060 ASDETUK www.heficed.com, GB 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 10748 3397 557 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2432 369 64 Instituto Costarricense de Electricidad 13999 1904 312 502 Mega Cable, S.A. de C.V., MX 28573 1357 2329 273 Claro NXT Telecomunicacoes Ltda, BR 6503 1312 344 526 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1001 179 460 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 958 65 57 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 401 232 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 10748 3397 557 Uninet S.A. de C.V., MX 9808 8990 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6854 1730 144 UNI2-AS, ES 16509 6773 10393 2690 AMAZON-02, US 7545 5919 787 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4508 299 676 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3984 3360 195 AKAMAI-ASN1, NL 7155 3902 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 8990 8944 CHINAMOBILE-CN China Mobile Communications Grou 12479 6854 6710 UNI2-AS, ES 7545 5919 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6773 4083 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4508 3832 CABLEONE, US 20940 3984 3789 AKAMAI-ASN1, NL 7552 3566 3547 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 /11:100 /12:302 /13:589 /14:1201 /15:2093 /16:13494 /17:8267 /18:13740 /19:24727 /20:43023 /21:50701 /22:107391 /23:95055 /24:525954 /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 5834 6854 UNI2-AS, ES 8151 4493 10748 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4508 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2895 3877 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1037 3:157 4:5 5:3813 6:109 7:6 8:1528 9:1 11:172 12:1644 13:343 14:2338 15:232 16:44 17:384 18:183 19:1 20:238 21:4 22:188 23:5733 24:2374 25:6 27:2613 29:19 31:2449 32:92 34:7 35:87 36:1826 37:4426 38:3195 39:716 40:152 41:3893 42:1116 43:2196 44:287 45:15925 46:4094 47:301 49:1679 50:1940 51:237 52:1452 54:384 55:846 56:8 57:60 58:1701 59:1112 60:963 61:2268 62:2512 63:1930 64:5522 65:2335 66:4835 67:2960 68:1190 69:4166 70:1321 71:679 72:3030 74:2626 75:1398 76:576 77:2212 78:1865 79:3132 80:1998 81:1630 82:1491 83:1206 84:1320 85:2947 86:731 87:1908 88:1154 89:3307 90:539 91:7609 92:2006 93:2547 94:3470 95:3833 96:1309 97:352 98:1008 99:752 100:76 101:1268 102:2137 103:29285 104:4520 105:467 106:871 107:2549 108:854 109:4302 110:1972 111:3272 112:2035 113:1465 114:1464 115:1967 116:1883 117:2397 118:2307 119:1833 120:1661 121:1027 122:2517 123:2081 124:1539 125:2044 128:1175 129:1051 130:976 131:2017 132:809 133:377 134:1930 135:306 136:894 137:862 138:2454 139:1525 140:893 141:1444 142:1293 143:1412 144:1204 145:351 146:1805 147:1508 148:2207 149:1696 150:863 151:1061 152:1847 153:463 154:3638 155:1436 156:1676 157:1258 158:1035 159:2228 160:2494 161:1286 162:3465 163:1281 164:1630 165:1625 166:753 167:1749 168:3786 169:884 170:4518 171:832 172:3241 173:3127 174:1016 175:1150 176:3560 177:4585 178:3540 179:2149 180:2360 181:3216 182:3210 183:1937 184:2345 185:19589 186:4325 187:3813 188:3955 189:3376 190:8939 191:1476 192:10970 193:8644 194:7044 195:4973 196:3038 197:2419 198:5932 199:6033 200:7506 201:5857 202:10085 203:10006 204:4525 205:3454 206:3663 207:3342 208:4011 209:4655 210:4142 211:2313 212:4017 213:3432 214:1141 215:67 216:6467 217:2638 218:1271 219:406 220:1722 221:962 222:656 223:1954 End of report