Global R&E Routing Table Report 18:35 GMT Thu 12 Aug, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 843384 Prefixes after maximum aggregation (per Origin AS): 321964 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 412300 Total ASes present in the Internet Routing Table: 71632 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 61527 Origin ASes announcing only one prefix: 25383 Transit ASes present in the Internet Routing Table: 10105 Transit-only ASes present in the Internet Routing Table: 337 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 39 Max AS path prepend of ASN (141827) 33 Prefixes from unregistered ASNs in the Routing Table: 1102 Number of instances of unregistered ASNs: 1105 Number of 32-bit ASNs allocated by the RIRs: 36858 Number of 32-bit ASNs visible in the Routing Table: 30612 Prefixes from 32-bit ASNs in the Routing Table: 138808 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3038807808 Equivalent to 181 /8s, 32 /16s and 135 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 285024 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214113 Total APNIC prefixes after maximum aggregation: 63233 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 209574 Unique aggregates announced from the APNIC address blocks: 90707 APNIC Region origin ASes present in the Internet Routing Table: 11767 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 3350 APNIC Region transit ASes present in the Internet Routing Table: 1657 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6970 Number of APNIC addresses announced to Internet: 772870144 Equivalent to 46 /8s, 17 /16s and 16 /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, 131072-147769 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: 250756 Total ARIN prefixes after maximum aggregation: 114628 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 250357 Unique aggregates announced from the ARIN address blocks: 119358 ARIN Region origin ASes present in the Internet Routing Table: 18810 ARIN Prefixes per ASN: 13.31 ARIN Region origin ASes announcing only one prefix: 6847 ARIN Region transit ASes present in the Internet Routing Table: 1935 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4039 Number of ARIN addresses announced to Internet: 1269906944 Equivalent to 75 /8s, 177 /16s and 62 /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: 239231 Total RIPE prefixes after maximum aggregation: 111711 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 235723 Unique aggregates announced from the RIPE address blocks: 144072 RIPE Region origin ASes present in the Internet Routing Table: 28014 RIPE Prefixes per ASN: 8.41 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3945 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10334 Number of RIPE addresses announced to Internet: 711131904 Equivalent to 42 /8s, 99 /16s and 3 /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: 110413 Total LACNIC prefixes after maximum aggregation: 26396 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111464 Unique aggregates announced from the LACNIC address blocks: 47024 LACNIC Region origin ASes present in the Internet Routing Table: 10765 LACNIC Prefixes per ASN: 10.35 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2090 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8418 Number of LACNIC addresses announced to Internet: 175995136 Equivalent to 10 /8s, 125 /16s and 121 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 27769 Total AfriNIC prefixes after maximum aggregation: 5221 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 35731 Unique aggregates announced from the AfriNIC address blocks: 10661 AfriNIC Region origin ASes present in the Internet Routing Table: 1516 AfriNIC Prefixes per ASN: 23.57 AfriNIC Region origin ASes announcing only one prefix: 490 AfriNIC Region transit ASes present in the Internet Routing Table: 290 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 851 Number of AfriNIC addresses announced to Internet: 108555008 Equivalent to 6 /8s, 120 /16s and 107 /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 7545 5822 785 675 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4933 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3404 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2806 1897 55 VNPT-AS-VN VNPT Corp, VN 4766 2224 11117 561 KIXS-AS-KR Korea Telecom, KR 9498 2220 486 242 BBIL-AP BHARTI Airtel Ltd., IN 45090 2088 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2077 437 190 TATACOMM-AS TATA Communications formerl 23969 1947 314 16 TOT-NET TOT Public Company Limited, TH Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5382 9655 2403 AMAZON-02, US 11492 4766 314 740 CABLEONE, US 7155 3981 264 32 VIASAT-SP-BACKBONE, US 22773 3977 3030 277 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3574 1843 2480 AKAMAI-AS, US 6327 3361 1313 61 SHAW, CA 30036 2566 374 272 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2518 5028 454 CENTURYLINK-US-LEGACY-QWEST, US 5972 2288 486 803 DNIC-ASBLK-05800-06055, US 20115 2245 3048 506 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6783 1726 145 UNI2-AS, ES 20940 3742 3348 210 AKAMAI-ASN1, NL 8551 3285 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2862 2282 895 ROSTELECOM-AS, RU 9009 2454 255 1314 M247, GB 34984 2217 356 594 TELLCOM-AS, TR 61317 1738 266 957 ASDETUK www.heficed.com, GB 58224 1617 889 561 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8656 3456 585 Uninet S.A. de C.V., MX 10620 3376 519 706 Telmex Colombia S.A., CO 11830 2506 369 62 Instituto Costarricense de Electricidad 13999 1795 412 474 Mega Cable, S.A. de C.V., MX 6503 1501 359 478 Axtel, S.A.B. de C.V., MX 28573 1436 2306 230 CLARO S.A., BR 3816 1239 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1096 2351 134 TIM SA, BR 6147 1090 369 22 Telefonica del Peru S.A.A., PE 11664 979 193 437 Techtel LMDS Comunicaciones Interactiva Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1650 393 22 LINKdotNET-AS, EG 24835 1425 499 30 RAYA-AS, EG 36992 1309 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 739 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 573 522 40 Vodafone-, EG 15399 503 49 28 WANANCHI-, KE 37342 474 32 1 MOVITEL, MZ 37457 445 333 62 Telkom-Internet, ZA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8656 3456 585 Uninet S.A. de C.V., MX 12479 6783 1726 145 UNI2-AS, ES 7545 5822 785 675 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5382 9655 2403 AMAZON-02, US 9808 4933 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4766 314 740 CABLEONE, US 7155 3981 264 32 VIASAT-SP-BACKBONE, US 22773 3977 3030 277 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3742 3348 210 AKAMAI-ASN1, NL 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6783 6638 UNI2-AS, ES 7545 5822 5147 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4933 4879 CMNET-GD Guangdong Mobile Communication Co.Ltd. 11492 4766 4026 CABLEONE, US 7155 3981 3949 VIASAT-SP-BACKBONE, US 22773 3977 3700 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3605 3585 VIETEL-AS-AP Viettel Group, VN 20940 3742 3532 AKAMAI-ASN1, NL 7713 3404 3348 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 6327 3361 3300 SHAW, CA Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.177.96.0/24 Origin: 397300 UNASSIGNED Transit: 33387 NOCIX, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 37.16.88.0/23 Origin: 202245 UNASSIGNED Transit: 28716 RETELIT-AS Internet Service Provider, IT Complete listing at https://bgp.nsrc.org/REN/RENU/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 /10:40 /11:100 /12:301 /13:586 /14:1186 /15:2038 /16:13419 /17:8174 /18:13788 /19:24910 /20:40423 /21:49171 /22:105211 /23:89917 /24:494091 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5721 6783 UNI2-AS, ES 11492 3723 4766 CABLEONE, US 6327 3173 3361 SHAW, CA 8151 3162 8656 Uninet S.A. de C.V., MX 7155 3069 3981 VIASAT-SP-BACKBONE, US 22773 2971 3977 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2750 3285 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2217 2566 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1934 2506 Instituto Costarricense de Electricidad y Telec Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1635 2:1117 3:141 4:20 5:3590 6:81 7:5 8:1528 9:1 11:164 12:1744 13:369 14:2210 15:97 16:20 17:333 18:107 20:128 21:1 22:188 23:4946 24:2370 25:2 27:2507 29:19 31:2330 32:116 33:1 34:1 35:47 36:1440 37:3809 38:2190 39:548 40:186 41:4165 42:657 43:2026 44:271 45:15306 46:3652 47:306 48:7 49:1592 50:1782 51:101 52:1251 54:251 55:630 56:4 57:54 58:1559 59:1026 60:933 61:2159 62:2299 63:1953 64:5351 65:2312 66:4993 67:2871 68:1165 69:4054 70:1365 71:676 72:3144 74:2609 75:1493 76:697 77:2022 78:1659 79:2618 80:1881 81:1551 82:1363 83:1134 84:1272 85:2741 86:718 87:1822 88:954 89:2972 90:512 91:7378 92:1814 93:2543 94:3111 95:3511 96:1288 97:344 98:976 99:963 100:77 101:1023 102:1724 103:26383 104:3935 105:439 106:803 107:2318 108:711 109:3869 110:1902 111:2728 112:1873 113:1200 114:1440 115:1862 116:1809 117:2157 118:2122 119:1827 120:1025 121:942 122:2426 123:2129 124:1531 125:1872 128:1308 129:1377 130:894 131:2000 132:753 133:361 134:1657 135:295 136:783 137:943 138:2399 139:1201 140:791 141:1198 142:1221 143:1348 144:1266 145:324 146:1496 147:1366 148:2110 149:1489 150:820 151:1070 152:1633 153:423 154:3040 155:1333 156:1683 157:1219 158:962 159:2015 160:2367 161:1237 162:3359 163:1030 164:1566 165:1424 166:598 167:1758 168:3659 169:717 170:4313 171:800 172:2597 173:2936 174:1018 175:1051 176:3210 177:4400 178:2954 179:1874 180:2237 181:2563 182:3030 183:1515 184:2422 185:18693 186:4207 187:3169 188:3333 189:2921 190:8659 191:1361 192:10737 193:8292 194:6717 195:4808 196:2962 197:2547 198:6034 199:5985 200:7353 201:5214 202:10095 203:9955 204:4604 205:3373 206:3716 207:3311 208:4034 209:4685 210:3947 211:2199 212:3719 213:3464 214:1201 215:56 216:6287 217:2596 218:1055 219:456 220:1640 221:900 222:685 223:1729 End of report