IPv4 R&E Routing Table Report 20:15 GMT Thu 02 Apr, 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: 289920 Prefixes after maximum aggregation (per Origin AS): 117638 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146895 Number of IPv4 prefixes with a valid ROA: 148552 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141154 Total ASes present in the Internet Routing Table: 20285 Prefixes per ASN: 14.29 Origin-only ASes present in the Internet Routing Table: 17410 Origin ASes announcing only one prefix: 7838 Transit ASes present in the Internet Routing Table: 2875 Transit-only ASes present in the Internet Routing Table: 733 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 203 Number of instances of unregistered ASNs: 232 Number of 32-bit ASNs allocated by the RIRs: 49189 Number of 32-bit ASNs visible in the Routing Table: 8263 Prefixes from 32-bit ASNs in the Routing Table: 34371 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 100 Number of addresses announced to Internet: 1621496741 Equivalent to 96 /8s, 166 /16s and 19 /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: 93574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43014 Total APNIC prefixes after maximum aggregation: 8066 APNIC Deaggregation factor: 5.33 Prefixes being announced from the APNIC address blocks: 39572 Unique aggregates announced from the APNIC address blocks: 7832 APNIC Region origin ASes present in the Internet Routing Table: 1270 APNIC Prefixes per ASN: 31.16 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 227 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 633 Number of APNIC addresses announced to Internet: 169235820 Equivalent to 10 /8s, 22 /16s and 85 /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: 127928 Total ARIN prefixes after maximum aggregation: 65326 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125179 Unique aggregates announced from the ARIN address blocks: 70896 ARIN Region origin ASes present in the Internet Routing Table: 8943 ARIN Prefixes per ASN: 14.00 ARIN Region origin ASes announcing only one prefix: 3696 ARIN Region transit ASes present in the Internet Routing Table: 841 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: 2151 Number of ARIN addresses announced to Internet: 1018019369 Equivalent to 60 /8s, 173 /16s and 190 /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: 51618 Total RIPE prefixes after maximum aggregation: 25693 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54744 Unique aggregates announced from the RIPE address blocks: 37789 RIPE Region origin ASes present in the Internet Routing Table: 4520 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1939 RIPE Region transit ASes present in the Internet Routing Table: 710 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1946 Number of RIPE addresses announced to Internet: 282485840 Equivalent to 16 /8s, 214 /16s and 100 /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: 57679 Total LACNIC prefixes after maximum aggregation: 16344 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55283 Unique aggregates announced from the LACNIC address blocks: 23965 LACNIC Region origin ASes present in the Internet Routing Table: 4430 LACNIC Prefixes per ASN: 12.48 LACNIC Region origin ASes announcing only one prefix: 1564 LACNIC Region transit ASes present in the Internet Routing Table: 886 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: 3388 Number of LACNIC addresses announced to Internet: 106730944 Equivalent to 6 /8s, 92 /16s and 149 /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: 9478 Total AfriNIC prefixes after maximum aggregation: 2049 AfriNIC Deaggregation factor: 4.63 Prefixes being announced from the AfriNIC address blocks: 15042 Unique aggregates announced from the AfriNIC address blocks: 6329 AfriNIC Region origin ASes present in the Internet Routing Table: 275 AfriNIC Prefixes per ASN: 54.70 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 145 Number of AfriNIC addresses announced to Internet: 44881664 Equivalent to 2 /8s, 172 /16s and 215 /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 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2417 152 492 LCS-AS-AP LARUS Limited, HK 56041 1809 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 759 1218 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 14525 41228 5629 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2373 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2099 4315 580 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1596 1310 734 DNIC-ASBLK-00306-00371 - United States De 19901 1469 732 680 BRIGHTSPEED - Brightspeed, US 20057 1457 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 4904 302 73 ALJAWWALSTC-AS, SA 25019 1324 1335 144 SAUDINETSTC-AS, SA 20940 1257 97 1021 AKAMAI-ASN1, NL 34984 1019 149 750 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 663 54 30 UNASSIGNED 212238 592 42 526 CDNEXT, GB 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 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 7468 1940 799 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1513 211 1128 Telmex Colombia S.A., CO 11664 1459 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2393 95 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 689 43 209 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 1500 524 27 RAYA-AS, EG 24863 851 389 16 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 36914 551 82 3 KENET-AS, KE 36935 544 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 460 932 274 ETISALAT-MISR, EG 2018 374 318 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 14525 41228 5629 AMAZON-02 - Amazon.com, Inc., US 9808 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7468 1940 799 UNINET, MX 39891 4904 302 73 ALJAWWALSTC-AS, SA 22773 4781 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2417 152 492 LCS-AS-AP LARUS Limited, HK 36352 2373 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2099 4315 580 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 13623 13503 CHINAMOBILE-CN China Mobile Communications Grou 8151 7468 6669 UNINET, MX 39891 4904 4831 ALJAWWALSTC-AS, SA 22773 4781 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2417 1925 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1809 1730 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 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 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 26295 UNALLOCATED 12.110.210.0/23 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 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /14:579 /15:1076 /16:7484 /17:3503 /18:4218 /19:7729 /20:13306 /21:16116 /22:28598 /23:30019 /24:176515 /25:65 /26:83 /27:52 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4146 7468 UNINET, MX 39891 3652 4904 ALJAWWALSTC-AS, SA 22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2613 14525 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1149 1459 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1035 2373 AS-COLOCROSSING - HostPapa, US 19901 1025 1469 BRIGHTSPEED - Brightspeed, US 209 945 1627 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 944 2099 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:554 3:993 4:1 5:1164 6:183 7:5 8:622 9:7 11:172 12:853 13:625 14:117 15:397 16:143 17:3 18:900 20:366 21:4 22:188 23:2921 24:858 27:19 28:1 29:19 31:472 32:13 34:9 35:175 36:3345 37:646 38:2583 39:864 40:49 41:1088 42:20 43:218 44:32 45:4510 46:888 47:183 48:60 49:23 50:480 51:466 52:1093 54:266 55:1117 56:11 57:28 58:39 59:35 60:30 61:54 62:620 63:691 64:2219 65:1002 66:2432 67:1131 68:490 69:1191 70:424 71:142 72:715 74:984 75:264 76:235 77:521 78:555 79:239 80:325 81:420 82:834 83:207 84:346 85:602 86:242 87:198 88:286 89:613 90:98 91:926 92:663 93:927 94:983 95:1306 96:271 97:44 98:377 99:286 100:21 101:26 102:374 103:1204 104:1624 105:134 106:41 107:1759 108:528 109:357 110:56 111:2805 112:1321 113:35 114:39 115:12 116:63 117:1647 118:72 119:79 120:2029 121:36 122:54 123:165 124:63 125:21 126:1 128:564 129:370 130:717 131:1262 132:545 133:217 134:528 135:136 136:711 137:596 138:1028 139:460 140:750 141:461 142:1528 143:869 144:500 145:183 146:671 147:501 148:1017 149:748 150:228 151:926 152:844 153:292 154:2334 155:981 156:2073 157:470 158:662 159:846 160:679 161:697 162:981 163:431 164:731 165:645 166:554 167:711 168:1472 169:202 170:1869 171:104 172:1384 173:803 174:265 175:121 176:619 177:1052 178:645 179:884 180:36 181:2599 182:39 183:1719 184:450 185:3277 186:3579 187:1809 188:1041 189:1979 190:6242 191:554 192:5138 193:1709 194:1105 195:939 196:653 197:709 198:2656 199:2462 200:4364 201:3624 202:1045 203:730 204:2203 205:1851 206:1496 207:1702 208:1624 209:2038 210:354 211:522 212:1097 213:874 214:974 215:36 216:2461 217:555 218:716 219:18 220:33 221:539 222:31 223:1706 End of report