IPv4 R&E Routing Table Report 20:15 GMT Sun 04 Feb, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 188629 Prefixes after maximum aggregation (per Origin AS): 82701 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103802 Number of IPv4 prefixes with a valid ROA: 72345 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 116260 Total ASes present in the Internet Routing Table: 16062 Prefixes per ASN: 11.74 Origin-only ASes present in the Internet Routing Table: 13918 Origin ASes announcing only one prefix: 6391 Transit ASes present in the Internet Routing Table: 2144 Transit-only ASes present in the Internet Routing Table: 587 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 43574 Number of 32-bit ASNs visible in the Routing Table: 5806 Prefixes from 32-bit ASNs in the Routing Table: 19480 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 79 Number of addresses announced to Internet: 1071746361 Equivalent to 63 /8s, 225 /16s and 141 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56063 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28902 Total APNIC prefixes after maximum aggregation: 6553 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28624 Unique aggregates announced from the APNIC address blocks: 7719 APNIC Region origin ASes present in the Internet Routing Table: 1058 APNIC Prefixes per ASN: 27.05 APNIC Region origin ASes announcing only one prefix: 430 APNIC Region transit ASes present in the Internet Routing Table: 175 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 455 Number of APNIC addresses announced to Internet: 172641160 Equivalent to 10 /8s, 74 /16s and 75 /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, 131072-153913 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: 83069 Total ARIN prefixes after maximum aggregation: 45554 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82454 Unique aggregates announced from the ARIN address blocks: 51657 ARIN Region origin ASes present in the Internet Routing Table: 7373 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3163 ARIN Region transit ASes present in the Internet Routing Table: 654 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1497 Number of ARIN addresses announced to Internet: 606491361 Equivalent to 36 /8s, 38 /16s and 82 /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: 39442 Total RIPE prefixes after maximum aggregation: 18432 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39434 Unique aggregates announced from the RIPE address blocks: 25663 RIPE Region origin ASes present in the Internet Routing Table: 3595 RIPE Prefixes per ASN: 10.97 RIPE Region origin ASes announcing only one prefix: 1575 RIPE Region transit ASes present in the Internet Routing Table: 537 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1315 Number of RIPE addresses announced to Internet: 190834640 Equivalent to 11 /8s, 95 /16s and 231 /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 196608-216475 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: 32303 Total LACNIC prefixes after maximum aggregation: 10181 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 32052 Unique aggregates announced from the LACNIC address blocks: 15750 LACNIC Region origin ASes present in the Internet Routing Table: 3150 LACNIC Prefixes per ASN: 10.18 LACNIC Region origin ASes announcing only one prefix: 1140 LACNIC Region transit ASes present in the Internet Routing Table: 620 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2443 Number of LACNIC addresses announced to Internet: 73451776 Equivalent to 4 /8s, 96 /16s and 201 /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: 4678 Total AfriNIC prefixes after maximum aggregation: 1791 AfriNIC Deaggregation factor: 2.61 Prefixes being announced from the AfriNIC address blocks: 5986 Unique aggregates announced from the AfriNIC address blocks: 2936 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 29.20 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 96 Number of AfriNIC addresses announced to Internet: 28284928 Equivalent to 1 /8s, 175 /16s and 152 /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 9639 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 437 488 105 CMNET-GUANGDONG-AP China Mobile communi Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9599 11232 3370 AMAZON-02, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2907 3723 1404 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1707 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 4155 1118 73 910 USDA-1, US 7979 978 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 945 446 866 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 1385 118 1126 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 631 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 CONTABO, DE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5257 1531 957 UNINET, MX 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 987 1120 28 TELEFONICA BRASIL S.A, BR 11664 582 107 220 Techtel LMDS Comunicaciones Interactiva 26599 549 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27775 297 15 9 Telecommunicationcompany Suriname - Tel Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 527 272 158 LINKdotNET-AS, EG 36914 480 82 3 KENET-AS, KE 29571 411 30 212 ORANGE-COTE-IVOIRE, CI 36992 403 732 233 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 24835 212 166 119 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 163 28 3 RENU, UG 37480 141 9 23 Cobranet, NG Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9639 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9599 11232 3370 AMAZON-02, US 8151 5257 1531 957 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3185 54927 2437 DNIC-AS-00749, US 367 2907 3723 1404 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1707 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9599 6229 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5257 4300 UNINET, MX 11776 1853 1632 ATLANTICBB-JOHNSTOWN, US 367 2907 1503 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1707 1387 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1307 1115 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:11 /9:4 /10:14 /11:29 /12:77 /13:130 /14:361 /15:740 /16:5564 /17:2654 /18:2776 /19:5718 /20:9095 /21:11265 /22:20549 /23:20776 /24:108585 /25:85 /26:60 /27:74 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2852 5257 UNINET, MX 16509 2025 9599 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1853 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 672 808 BRSPD-PUBLIC, US 8376 570 720 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:486 3:261 5:1097 6:150 7:5 8:617 11:171 12:255 13:317 14:101 15:280 16:168 17:6 18:673 20:30 21:4 22:188 23:1874 24:537 25:2 27:15 29:19 31:235 32:2 34:2 35:53 36:1110 37:511 38:843 39:523 40:8 41:631 42:14 43:172 44:36 45:2380 46:607 47:148 49:10 50:281 51:468 52:1365 54:320 55:886 57:18 58:5 59:31 60:19 61:61 62:339 63:480 64:1528 65:822 66:1312 67:714 68:152 69:755 70:153 71:194 72:379 74:764 75:391 76:207 77:245 78:553 79:167 80:194 81:211 82:173 83:94 84:180 85:325 86:150 87:168 88:142 89:323 90:97 91:576 92:392 93:800 94:544 95:1128 96:169 97:35 98:131 99:147 100:42 101:25 102:189 103:936 104:709 105:16 106:2 107:297 108:329 109:222 110:26 111:1745 112:446 113:40 114:30 115:10 116:30 117:951 118:45 119:95 120:1088 121:32 122:85 123:20 124:55 125:11 128:416 129:286 130:508 131:771 132:506 133:263 134:332 135:69 136:368 137:446 138:717 139:455 140:519 141:186 142:723 143:612 144:323 145:85 146:489 147:325 148:576 149:514 150:278 151:548 152:356 153:113 154:467 155:660 156:371 157:234 158:315 159:518 160:539 161:457 162:687 163:286 164:594 165:390 166:127 167:389 168:963 169:150 170:1207 171:60 172:966 173:643 174:108 175:37 176:423 177:728 178:292 179:500 180:45 181:957 182:8 183:853 184:209 185:2314 186:1011 187:742 188:542 189:1041 190:2879 191:222 192:3733 193:1375 194:905 195:661 196:445 197:633 198:1947 199:2950 200:2745 201:2564 202:890 203:593 204:1763 205:1624 206:1097 207:1086 208:997 209:1393 210:305 211:446 212:751 213:663 214:1065 215:37 216:1720 217:358 218:515 219:29 220:28 221:292 222:23 223:621 End of report