IPv4 R&E Routing Table Report 20:15 GMT Fri 02 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: 188449 Prefixes after maximum aggregation (per Origin AS): 82557 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103528 Number of IPv4 prefixes with a valid ROA: 72461 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 115964 Total ASes present in the Internet Routing Table: 15951 Prefixes per ASN: 11.81 Origin-only ASes present in the Internet Routing Table: 13832 Origin ASes announcing only one prefix: 6339 Transit ASes present in the Internet Routing Table: 2119 Transit-only ASes present in the Internet Routing Table: 578 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: 43551 Number of 32-bit ASNs visible in the Routing Table: 5707 Prefixes from 32-bit ASNs in the Routing Table: 19286 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: 1071712025 Equivalent to 63 /8s, 225 /16s and 7 /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: 56157 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28863 Total APNIC prefixes after maximum aggregation: 6536 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28588 Unique aggregates announced from the APNIC address blocks: 7680 APNIC Region origin ASes present in the Internet Routing Table: 1061 APNIC Prefixes per ASN: 26.94 APNIC Region origin ASes announcing only one prefix: 434 APNIC Region transit ASes present in the Internet Routing Table: 172 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: 454 Number of APNIC addresses announced to Internet: 172527240 Equivalent to 10 /8s, 72 /16s and 142 /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: 83034 Total ARIN prefixes after maximum aggregation: 45555 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82355 Unique aggregates announced from the ARIN address blocks: 51599 ARIN Region origin ASes present in the Internet Routing Table: 7365 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3161 ARIN Region transit ASes present in the Internet Routing Table: 656 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: 1493 Number of ARIN addresses announced to Internet: 606564545 Equivalent to 36 /8s, 39 /16s and 112 /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: 39374 Total RIPE prefixes after maximum aggregation: 18325 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39364 Unique aggregates announced from the RIPE address blocks: 25567 RIPE Region origin ASes present in the Internet Routing Table: 3541 RIPE Prefixes per ASN: 11.12 RIPE Region origin ASes announcing only one prefix: 1544 RIPE Region transit ASes present in the Internet Routing Table: 526 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: 1278 Number of RIPE addresses announced to Internet: 190078928 Equivalent to 11 /8s, 84 /16s and 95 /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: 32389 Total LACNIC prefixes after maximum aggregation: 10242 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32205 Unique aggregates announced from the LACNIC address blocks: 15796 LACNIC Region origin ASes present in the Internet Routing Table: 3106 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 1119 LACNIC Region transit ASes present in the Internet Routing Table: 604 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: 2386 Number of LACNIC addresses announced to Internet: 74536960 Equivalent to 4 /8s, 113 /16s and 88 /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: 4554 Total AfriNIC prefixes after maximum aggregation: 1709 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 5858 Unique aggregates announced from the AfriNIC address blocks: 2809 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 28.44 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 57 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: 27961856 Equivalent to 1 /8s, 170 /16s and 170 /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 438 488 105 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 9583 11245 3369 AMAZON-02, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2919 3724 1412 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 4155 1110 72 907 USDA-1, US 7979 974 64 193 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 5256 1531 956 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 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 583 107 218 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 533 273 159 LINKdotNET-AS, EG 36914 482 82 3 KENET-AS, KE 29571 409 30 210 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 318 690 173 ETISALAT-MISR, EG 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 9583 11245 3369 AMAZON-02, US 8151 5256 1531 956 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3185 54927 2437 DNIC-AS-00749, US 367 2919 3724 1412 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1709 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 9583 6214 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5256 4300 UNINET, MX 11776 1853 1632 ATLANTICBB-JOHNSTOWN, US 367 2919 1507 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1709 1389 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 1306 1109 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 /14:362 /15:736 /16:5573 /17:2667 /18:2797 /19:5728 /20:9144 /21:11256 /22:20541 /23:20794 /24:108318 /25:82 /26:52 /27:72 /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 5256 UNINET, MX 16509 2015 9583 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1853 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 669 806 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 2:482 3:259 5:1096 6:150 7:5 8:619 11:171 12:256 13:320 14:100 15:280 16:168 17:6 18:670 20:30 21:4 22:188 23:1870 24:537 25:2 27:15 29:19 31:235 32:2 34:2 35:53 36:1110 37:524 38:800 39:524 40:8 41:604 42:14 43:172 44:36 45:2331 46:598 47:148 49:10 50:280 51:468 52:1365 54:320 55:887 57:18 58:5 59:31 60:19 61:61 62:332 63:480 64:1535 65:824 66:1316 67:724 68:153 69:760 70:153 71:194 72:379 74:764 75:392 76:207 77:245 78:564 79:167 80:201 81:210 82:179 83:93 84:173 85:327 86:147 87:160 88:140 89:306 90:97 91:565 92:394 93:792 94:537 95:1103 96:170 97:35 98:133 99:146 100:42 101:22 102:190 103:927 104:709 105:16 106:2 107:298 108:329 109:228 110:26 111:1743 112:446 113:39 114:30 115:10 116:30 117:950 118:45 119:97 120:1088 121:32 122:85 123:20 124:55 125:11 128:418 129:286 130:507 131:769 132:507 133:263 134:332 135:67 136:368 137:447 138:710 139:454 140:520 141:178 142:723 143:612 144:321 145:77 146:488 147:323 148:588 149:512 150:278 151:548 152:354 153:113 154:449 155:655 156:371 157:237 158:315 159:514 160:538 161:433 162:687 163:281 164:593 165:391 166:126 167:386 168:957 169:150 170:1192 171:60 172:961 173:644 174:108 175:37 176:421 177:717 178:290 179:498 180:43 181:963 182:8 183:853 184:210 185:2299 186:1015 187:757 188:550 189:1052 190:2956 191:220 192:3728 193:1325 194:882 195:666 196:444 197:636 198:1947 199:2939 200:2713 201:2602 202:896 203:594 204:1762 205:1622 206:1095 207:1084 208:995 209:1387 210:302 211:447 212:764 213:664 214:1064 215:37 216:1716 217:352 218:515 219:29 220:28 221:292 222:23 223:621 End of report