IPv4 R&E Routing Table Report 20:15 GMT Tue 17 Mar, 2026 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: 288729 Prefixes after maximum aggregation (per Origin AS): 117544 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146702 Number of IPv4 prefixes with a valid ROA: 147296 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141219 Total ASes present in the Internet Routing Table: 20354 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17458 Origin ASes announcing only one prefix: 7825 Transit ASes present in the Internet Routing Table: 2896 Transit-only ASes present in the Internet Routing Table: 733 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 273 Number of instances of unregistered ASNs: 302 Number of 32-bit ASNs allocated by the RIRs: 48986 Number of 32-bit ASNs visible in the Routing Table: 8357 Prefixes from 32-bit ASNs in the Routing Table: 35059 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 1619900869 Equivalent to 96 /8s, 141 /16s and 185 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 92817 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42562 Total APNIC prefixes after maximum aggregation: 8041 APNIC Deaggregation factor: 5.29 Prefixes being announced from the APNIC address blocks: 39080 Unique aggregates announced from the APNIC address blocks: 7791 APNIC Region origin ASes present in the Internet Routing Table: 1235 APNIC Prefixes per ASN: 31.64 APNIC Region origin ASes announcing only one prefix: 499 APNIC Region transit ASes present in the Internet Routing Table: 220 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 599 Number of APNIC addresses announced to Internet: 168722028 Equivalent to 10 /8s, 14 /16s and 126 /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, 131072-155961 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: 127968 Total ARIN prefixes after maximum aggregation: 65362 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125078 Unique aggregates announced from the ARIN address blocks: 70893 ARIN Region origin ASes present in the Internet Routing Table: 8952 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 3685 ARIN Region transit ASes present in the Internet Routing Table: 847 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2157 Number of ARIN addresses announced to Internet: 1017824553 Equivalent to 60 /8s, 170 /16s and 197 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 50399 Total RIPE prefixes after maximum aggregation: 25173 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 53566 Unique aggregates announced from the RIPE address blocks: 37088 RIPE Region origin ASes present in the Internet Routing Table: 4423 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1892 RIPE Region transit ASes present in the Internet Routing Table: 698 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1896 Number of RIPE addresses announced to Internet: 281110224 Equivalent to 16 /8s, 193 /16s and 102 /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, 53/8, 57/8, 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: 57996 Total LACNIC prefixes after maximum aggregation: 16688 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55740 Unique aggregates announced from the LACNIC address blocks: 24408 LACNIC Region origin ASes present in the Internet Routing Table: 4610 LACNIC Prefixes per ASN: 12.09 LACNIC Region origin ASes announcing only one prefix: 1640 LACNIC Region transit ASes present in the Internet Routing Table: 929 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3554 Number of LACNIC addresses announced to Internet: 106580064 Equivalent to 6 /8s, 90 /16s and 72 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 9531 Total AfriNIC prefixes after maximum aggregation: 2084 AfriNIC Deaggregation factor: 4.57 Prefixes being announced from the AfriNIC address blocks: 15173 Unique aggregates announced from the AfriNIC address blocks: 6439 AfriNIC Region origin ASes present in the Internet Routing Table: 286 AfriNIC Prefixes per ASN: 53.05 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 151 Number of AfriNIC addresses announced to Internet: 45588992 Equivalent to 2 /8s, 183 /16s and 162 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 13559 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2374 149 476 LCS-AS-AP LARUS Limited, HK 56041 1802 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1063 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 777 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 708 1210 160 ALIBABA-CN-NET Alibaba US Technology Co., 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 14455 41222 5572 AMAZON-02 - Amazon.com, Inc., US 22773 4775 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2368 194 1091 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1636 1333 745 DNIC-ASBLK-00306-00371 - United States De 209 1629 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1475 739 685 BRIGHTSPEED - Brightspeed, US 20057 1456 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 4969 306 72 ALJAWWALSTC-AS, SA 25019 1269 1335 141 SAUDINETSTC-AS, SA 20940 1256 97 1018 AKAMAI-ASN1, NL 34984 983 145 731 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 893 1841 19 TE-AS TE-AS, EG 212238 718 52 633 CDNEXT, GB 8376 668 54 30 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 528 98 447 OPENTRANSIT, FR 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 7316 1916 799 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 11664 1452 278 31 Techtel LMDS Comunicaciones Interactivas 10620 1433 201 1085 Telmex Colombia S.A., CO 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 964 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 690 43 207 UFINET PANAMA S.A., PA 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 24835 1531 524 27 RAYA-AS, EG 24863 842 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36914 558 82 3 KENET-AS, KE 36935 540 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 421 873 258 ETISALAT-MISR, EG 2018 375 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN 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 14455 41222 5572 AMAZON-02 - Amazon.com, Inc., US 9808 13559 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7316 1916 799 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4775 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2374 149 476 LCS-AS-AP LARUS Limited, HK 36352 2368 194 1091 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 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 13559 13439 CHINAMOBILE-CN China Mobile Communications Grou 8151 7316 6517 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4775 4409 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2374 1898 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 56041 1802 1723 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 CMNET-HUNAN-AP China Mobile communications corp 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.154.172.0/24 Origin: 36283 AS-RIVERWAVE - Riverwave LLC, US 23.154.172.0/24 Transit: 27446 AS-ERCBB - ERC Broadband, US 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 /8:14 /9:11 /10:31 /11:55 /12:159 /13:217 /14:580 /15:1075 /16:7484 /17:3456 /18:4195 /19:7703 /20:13239 /21:16003 /22:28716 /23:29953 /24:175544 /25:65 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:61 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4051 7316 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3046 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2588 14455 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1141 1452 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1028 1475 BRIGHTSPEED - Brightspeed, US 36352 1028 2368 AS-COLOCROSSING - HostPapa, US 209 947 1629 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 7459 898 1255 GRANDECOM-AS1 - Grande Communications Networks, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:503 3:994 4:1 5:1160 6:182 7:5 8:617 9:7 11:172 12:858 13:570 14:121 15:400 16:143 17:3 18:912 20:368 21:4 22:188 23:2930 24:846 27:18 28:1 29:19 31:462 32:12 34:9 35:185 36:3336 37:616 38:2522 39:854 40:47 41:1072 42:21 43:217 44:25 45:4573 46:901 47:174 48:33 49:21 50:504 51:519 52:1105 54:270 55:1108 56:11 57:30 58:43 59:33 60:14 61:58 62:593 63:694 64:2210 65:993 66:2395 67:1107 68:487 69:1210 70:426 71:139 72:696 74:998 75:267 76:240 77:442 78:540 79:247 80:316 81:387 82:829 83:199 84:343 85:593 86:240 87:185 88:281 89:556 90:102 91:912 92:669 93:879 94:962 95:1288 96:273 97:44 98:383 99:281 100:22 101:28 102:411 103:1229 104:1641 105:154 107:1751 108:515 109:361 110:49 111:2775 112:1309 113:33 114:39 115:7 116:59 117:1624 118:65 119:91 120:2027 121:35 122:43 123:106 124:63 125:23 126:1 128:568 129:370 130:717 131:1279 132:554 133:217 134:499 135:134 136:724 137:602 138:1034 139:474 140:758 141:420 142:1522 143:850 144:499 145:193 146:671 147:509 148:1014 149:749 150:237 151:905 152:812 153:296 154:2317 155:1003 156:2115 157:463 158:666 159:820 160:671 161:701 162:990 163:422 164:727 165:648 166:564 167:718 168:1486 169:206 170:1878 171:106 172:1393 173:797 174:268 175:88 176:630 177:1078 178:627 179:894 180:35 181:2600 182:27 183:1699 184:441 185:3250 186:3540 187:1763 188:1036 189:2032 190:6183 191:579 192:5151 193:1709 194:1098 195:912 196:681 197:686 198:2672 199:2485 200:4411 201:3687 202:1037 203:730 204:2184 205:1821 206:1485 207:1690 208:1613 209:2049 210:316 211:512 212:974 213:881 214:964 215:35 216:2454 217:541 218:659 219:18 220:28 221:537 222:28 223:1692 End of report