IPv4 R&E Routing Table Report 20:15 GMT Mon 08 Apr, 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: 184020 Prefixes after maximum aggregation (per Origin AS): 80452 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100772 Number of IPv4 prefixes with a valid ROA: 69812 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 114188 Total ASes present in the Internet Routing Table: 15894 Prefixes per ASN: 11.58 Origin-only ASes present in the Internet Routing Table: 13754 Origin ASes announcing only one prefix: 6265 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 586 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 27 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 44058 Number of 32-bit ASNs visible in the Routing Table: 5780 Prefixes from 32-bit ASNs in the Routing Table: 19315 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: 90 Number of addresses announced to Internet: 1063724729 Equivalent to 63 /8s, 103 /16s and 38 /24s Percentage of available address space announced: 28.7 Percentage of allocated address space announced: 28.7 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: 53168 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29775 Total APNIC prefixes after maximum aggregation: 6835 APNIC Deaggregation factor: 4.36 Prefixes being announced from the APNIC address blocks: 29458 Unique aggregates announced from the APNIC address blocks: 7907 APNIC Region origin ASes present in the Internet Routing Table: 1134 APNIC Prefixes per ASN: 25.98 APNIC Region origin ASes announcing only one prefix: 446 APNIC Region transit ASes present in the Internet Routing Table: 183 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 487 Number of APNIC addresses announced to Internet: 198987144 Equivalent to 11 /8s, 220 /16s and 77 /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: 83132 Total ARIN prefixes after maximum aggregation: 45302 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81873 Unique aggregates announced from the ARIN address blocks: 51152 ARIN Region origin ASes present in the Internet Routing Table: 7353 ARIN Prefixes per ASN: 11.13 ARIN Region origin ASes announcing only one prefix: 3173 ARIN Region transit ASes present in the Internet Routing Table: 633 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: 1503 Number of ARIN addresses announced to Internet: 605590625 Equivalent to 36 /8s, 24 /16s and 148 /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: 34765 Total RIPE prefixes after maximum aggregation: 16375 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35387 Unique aggregates announced from the RIPE address blocks: 23301 RIPE Region origin ASes present in the Internet Routing Table: 3337 RIPE Prefixes per ASN: 10.60 RIPE Region origin ASes announcing only one prefix: 1438 RIPE Region transit ASes present in the Internet Routing Table: 518 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1225 Number of RIPE addresses announced to Internet: 156857040 Equivalent to 9 /8s, 89 /16s and 114 /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: 31863 Total LACNIC prefixes after maximum aggregation: 10053 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 31554 Unique aggregates announced from the LACNIC address blocks: 15524 LACNIC Region origin ASes present in the Internet Routing Table: 3166 LACNIC Prefixes per ASN: 9.97 LACNIC Region origin ASes announcing only one prefix: 1117 LACNIC Region transit ASes present in the Internet Routing Table: 632 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2450 Number of LACNIC addresses announced to Internet: 72659968 Equivalent to 4 /8s, 84 /16s and 180 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4265 Total AfriNIC prefixes after maximum aggregation: 1705 AfriNIC Deaggregation factor: 2.50 Prefixes being announced from the AfriNIC address blocks: 5658 Unique aggregates announced from the AfriNIC address blocks: 2802 AfriNIC Region origin ASes present in the Internet Routing Table: 222 AfriNIC Prefixes per ASN: 25.49 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115 Number of AfriNIC addresses announced to Internet: 29570816 Equivalent to 1 /8s, 195 /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 9652 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1487 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1473 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1446 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 787 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 734 10656 150 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 442 180 24 CSTNET-AS-AP Computer Network Informati 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 9814 11368 3416 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2870 3569 1366 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1692 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1580 102 1158 USDA-1, US 5972 1404 393 640 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 958 255 82 CANET-ASN-4, CA 16625 846 389 773 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1310 111 1066 AKAMAI-ASN1, NL 3215 899 4829 296 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 718 60 21 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 439 82 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 382 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT 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 5099 1362 844 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 589 106 223 Techtel LMDS Comunicaciones Interactiva 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 486 65 209 Mega Cable, S.A. de C.V., MX 14117 231 39 9 Telefonica del Sur S.A., CL 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 668 241 201 LINKdotNET-AS, EG 36992 411 656 267 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 266 66 79 Vodafone-, EG 24835 199 162 115 RAYA-AS, EG 36914 199 82 3 KENET-AS, KE 37282 157 20 53 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 Sudatel, SD 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 16509 9814 11368 3416 AMAZON-02, US 9808 9652 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5099 1362 844 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2870 3569 1366 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1692 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1580 102 1158 USDA-1, US 56047 1487 192 47 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 9808 9652 9592 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5099 4255 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2870 1504 DNIC-ASBLK-00306-00371, US 56047 1487 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1692 1378 CENTURYLINK-US-LEGACY-QWEST, US 56041 1446 1373 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1473 1363 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 1113 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.248.0/24 Origin: 36911 RESERVED, ZZ 41.204.248.0/24 Transit: 328766 RESERVED, ZZ 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 /10:17 /11:28 /12:79 /13:115 /14:338 /15:672 /16:5885 /17:2461 /18:2585 /19:5171 /20:8407 /21:10601 /22:19609 /23:20266 /24:107514 /25:76 /26:47 /27:71 /28:19 /29:21 /30:18 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2843 5099 UNINET, MX 16509 2071 9814 AMAZON-02, US 209 955 1692 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 704 845 BRSPD-PUBLIC, US 6147 680 1082 Telefonica del Peru S.A.A., PE 8376 563 718 Jordan Data Communications, JO 7979 451 1001 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:387 3:290 5:1054 6:148 7:5 8:617 11:171 12:655 13:314 14:102 15:281 16:174 17:6 18:706 20:34 21:4 22:188 23:1761 24:401 25:2 27:25 29:19 31:179 32:1 34:5 35:53 36:1136 37:487 38:830 39:522 40:8 41:491 42:22 43:183 44:28 45:2394 46:573 47:99 49:11 50:251 51:470 52:1352 54:268 55:997 57:16 58:4 59:32 60:19 61:67 62:335 63:468 64:1443 65:795 66:1206 67:665 68:165 69:733 70:146 71:189 72:353 74:729 75:391 76:208 77:286 78:485 79:165 80:201 81:185 82:165 83:96 84:179 85:377 86:146 87:143 88:120 89:465 90:97 91:549 92:400 93:783 94:492 95:1090 96:167 97:31 98:127 99:145 100:23 101:23 102:228 103:1083 104:695 105:31 106:3 107:205 108:298 109:233 110:26 111:1797 112:447 113:40 114:32 115:12 116:31 117:951 118:65 119:97 120:1091 121:32 122:85 123:23 124:57 125:13 128:365 129:275 130:480 131:782 132:498 133:267 134:339 135:66 136:357 137:418 138:770 139:380 140:590 141:323 142:681 143:603 144:318 145:60 146:470 147:313 148:598 149:509 150:291 151:484 152:360 153:117 154:578 155:666 156:381 157:265 158:345 159:526 160:341 161:415 162:680 163:287 164:636 165:374 166:99 167:380 168:1004 169:157 170:1240 171:65 172:899 173:619 174:103 175:46 176:402 177:778 178:322 179:506 180:47 181:978 182:20 183:851 184:199 185:2239 186:1006 187:747 188:475 189:1093 190:2965 191:192 192:3668 193:1217 194:794 195:550 196:377 197:382 198:1901 199:3369 200:2766 201:2488 202:1059 203:599 204:1744 205:1656 206:1129 207:1047 208:960 209:1441 210:339 211:432 212:671 213:533 214:1039 215:43 216:1674 217:280 218:516 219:21 220:29 221:302 222:22 223:632 End of report