IPv4 R&E Routing Table Report 23:05 GMT Fri 08 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: 886238 Prefixes after maximum aggregation (per Origin AS): 337194 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 435615 Number of IPv4 prefixes with a valid ROA: 334399 Number of IPv4 prefixes with an invalid ROA: 1340 Number of IPv4 prefixes with no ROA: 550499 Total ASes present in the Internet Routing Table: 73144 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62774 Origin ASes announcing only one prefix: 25850 Transit ASes present in the Internet Routing Table: 10370 Transit-only ASes present in the Internet Routing Table: 406 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: 978 Number of instances of unregistered ASNs: 982 Number of 32-bit ASNs allocated by the RIRs: 39752 Number of 32-bit ASNs visible in the Routing Table: 32889 Prefixes from 32-bit ASNs in the Routing Table: 156103 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: 517 Number of addresses announced to Internet: 3061517312 Equivalent to 182 /8s, 123 /16s and 12 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 298225 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229322 Total APNIC prefixes after maximum aggregation: 66304 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224375 Unique aggregates announced from the APNIC address blocks: 95469 APNIC Region origin ASes present in the Internet Routing Table: 12675 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3653 APNIC Region transit ASes present in the Internet Routing Table: 1734 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: 7956 Number of APNIC addresses announced to Internet: 772200448 Equivalent to 46 /8s, 6 /16s and 216 /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: 261274 Total ARIN prefixes after maximum aggregation: 119852 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261531 Unique aggregates announced from the ARIN address blocks: 126654 ARIN Region origin ASes present in the Internet Routing Table: 18928 ARIN Prefixes per ASN: 13.82 ARIN Region origin ASes announcing only one prefix: 6912 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4524 Number of ARIN addresses announced to Internet: 1290695424 Equivalent to 76 /8s, 238 /16s and 115 /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: 251364 Total RIPE prefixes after maximum aggregation: 117356 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248722 Unique aggregates announced from the RIPE address blocks: 152583 RIPE Region origin ASes present in the Internet Routing Table: 28144 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 4017 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: 10742 Number of RIPE addresses announced to Internet: 714097920 Equivalent to 42 /8s, 144 /16s and 69 /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: 115253 Total LACNIC prefixes after maximum aggregation: 27436 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115042 Unique aggregates announced from the LACNIC address blocks: 48774 LACNIC Region origin ASes present in the Internet Routing Table: 10961 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2245 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: 8688 Number of LACNIC addresses announced to Internet: 176469248 Equivalent to 10 /8s, 132 /16s and 181 /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: 28047 Total AfriNIC prefixes after maximum aggregation: 5509 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36051 Unique aggregates announced from the AfriNIC address blocks: 11703 AfriNIC Region origin ASes present in the Internet Routing Table: 1651 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 979 Number of AfriNIC addresses announced to Internet: 107755264 Equivalent to 6 /8s, 108 /16s and 55 /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 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5921 787 692 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 2250 11123 594 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2107 849 407 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 6786 10396 2688 AMAZON-02, US 11492 4509 299 677 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3873 3068 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1788 2509 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2627 374 169 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 6863 1730 144 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3991 3360 195 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2577 254 1334 M247, GB 34984 2252 358 639 TELLCOM-AS, TR 58224 1775 933 560 TCI, IR 61317 1629 115 1065 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 10752 3397 557 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2428 369 64 Instituto Costarricense de Electricidad 13999 1911 314 507 Mega Cable, S.A. de C.V., MX 28573 1357 2329 273 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 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 998 179 459 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 967 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 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 10752 3397 557 Uninet S.A. de C.V., MX 9808 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6863 1730 144 UNI2-AS, ES 16509 6786 10396 2688 AMAZON-02, US 7545 5921 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4509 299 677 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3991 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 8982 8936 CHINAMOBILE-CN China Mobile Communications Grou 12479 6863 6719 UNI2-AS, ES 7545 5921 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6786 4098 AMAZON-02, US 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4509 3832 CABLEONE, US 20940 3991 3796 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 /11:99 /12:301 /13:587 /14:1199 /15:2093 /16:13472 /17:8242 /18:13699 /19:24681 /20:42956 /21:50667 /22:107343 /23:95151 /24:525674 /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 5843 6863 UNI2-AS, ES 8151 4497 10752 Uninet S.A. de C.V., MX 8551 3471 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4509 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2891 3873 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2284 2627 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 8:1529 9:1 11:172 12:1644 13:344 14:2336 15:232 16:44 17:384 18:183 19:1 20:238 21:4 22:188 23:5738 24:2371 25:6 27:2610 29:19 31:2445 32:92 34:7 35:87 36:1829 37:4431 38:3194 39:716 40:152 41:3892 42:1117 43:2209 44:288 45:15937 46:4091 47:301 49:1687 50:1936 51:237 52:1450 54:386 55:850 56:8 57:60 58:1703 59:1111 60:962 61:2267 62:2514 63:1930 64:5522 65:2333 66:4835 67:2948 68:1187 69:4166 70:1321 71:680 72:3019 74:2603 75:1398 76:576 77:2217 78:1867 79:3134 80:2000 81:1630 82:1491 83:1209 84:1322 85:2946 86:729 87:1907 88:1154 89:3321 90:539 91:7614 92:2008 93:2547 94:3473 95:3841 96:1308 97:347 98:1007 99:752 100:77 101:1268 102:2151 103:29295 104:4519 105:468 106:872 107:2549 108:854 109:4305 110:1969 111:3271 112:2027 113:1462 114:1470 115:1966 116:1887 117:2397 118:2310 119:1835 120:1660 121:1024 122:2517 123:2082 124:1540 125:2044 128:1172 129:1049 130:976 131:2014 132:804 133:377 134:1931 135:307 136:894 137:856 138:2448 139:1521 140:886 141:1444 142:1251 143:1409 144:1204 145:354 146:1802 147:1506 148:2209 149:1669 150:862 151:1064 152:1848 153:464 154:3629 155:1430 156:1684 157:1266 158:1038 159:2224 160:2502 161:1262 162:3463 163:1284 164:1629 165:1624 166:755 167:1746 168:3788 169:887 170:4514 171:832 172:3241 173:3098 174:1016 175:1151 176:3554 177:4607 178:3542 179:2164 180:2359 181:3218 182:3211 183:1937 184:2344 185:19604 186:4363 187:3802 188:3970 189:3385 190:8933 191:1488 192:10943 193:8635 194:7053 195:4972 196:3031 197:2418 198:5922 199:6008 200:7501 201:5850 202:10088 203:10015 204:4453 205:3416 206:3634 207:3318 208:4007 209:4624 210:4136 211:2312 212:4016 213:3436 214:1137 215:67 216:6455 217:2641 218:1272 219:407 220:1723 221:962 222:658 223:1949 End of report