IPv4 R&E Routing Table Report 20:15 GMT Thu 14 May, 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: 293143 Prefixes after maximum aggregation (per Origin AS): 119059 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149652 Number of IPv4 prefixes with a valid ROA: 154383 Number of IPv4 prefixes with an invalid ROA: 219 Number of IPv4 prefixes with no ROA: 138541 Total ASes present in the Internet Routing Table: 20244 Prefixes per ASN: 14.48 Origin-only ASes present in the Internet Routing Table: 17393 Origin ASes announcing only one prefix: 7773 Transit ASes present in the Internet Routing Table: 2851 Transit-only ASes present in the Internet Routing Table: 721 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 286 Number of instances of unregistered ASNs: 315 Number of 32-bit ASNs allocated by the RIRs: 49750 Number of 32-bit ASNs visible in the Routing Table: 8298 Prefixes from 32-bit ASNs in the Routing Table: 35794 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 99 Number of addresses announced to Internet: 1624257061 Equivalent to 96 /8s, 208 /16s and 50 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 95477 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42868 Total APNIC prefixes after maximum aggregation: 7972 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39386 Unique aggregates announced from the APNIC address blocks: 7775 APNIC Region origin ASes present in the Internet Routing Table: 1204 APNIC Prefixes per ASN: 32.71 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 203 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 580 Number of APNIC addresses announced to Internet: 168284524 Equivalent to 10 /8s, 7 /16s and 209 /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: 128199 Total ARIN prefixes after maximum aggregation: 65327 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125626 Unique aggregates announced from the ARIN address blocks: 71174 ARIN Region origin ASes present in the Internet Routing Table: 8927 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 3695 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: 2164 Number of ARIN addresses announced to Internet: 1018793513 Equivalent to 60 /8s, 185 /16s and 142 /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: 53167 Total RIPE prefixes after maximum aggregation: 26363 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56120 Unique aggregates announced from the RIPE address blocks: 38665 RIPE Region origin ASes present in the Internet Routing Table: 4552 RIPE Prefixes per ASN: 12.33 RIPE Region origin ASes announcing only one prefix: 1924 RIPE Region transit ASes present in the Internet Routing Table: 721 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1978 Number of RIPE addresses announced to Internet: 283591632 Equivalent to 16 /8s, 231 /16s and 67 /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: 58491 Total LACNIC prefixes after maximum aggregation: 16654 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55800 Unique aggregates announced from the LACNIC address blocks: 24391 LACNIC Region origin ASes present in the Internet Routing Table: 4434 LACNIC Prefixes per ASN: 12.58 LACNIC Region origin ASes announcing only one prefix: 1555 LACNIC Region transit ASes present in the Internet Routing Table: 894 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3416 Number of LACNIC addresses announced to Internet: 106984640 Equivalent to 6 /8s, 96 /16s and 116 /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: 10132 Total AfriNIC prefixes after maximum aggregation: 2566 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 16112 Unique aggregates announced from the AfriNIC address blocks: 7564 AfriNIC Region origin ASes present in the Internet Routing Table: 286 AfriNIC Prefixes per ASN: 56.34 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 160 Number of AfriNIC addresses announced to Internet: 46532096 Equivalent to 2 /8s, 198 /16s and 6 /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 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2449 154 464 LCS-AS-AP LARUS Limited, HK 56041 1835 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1081 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 834 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 794 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14908 41324 5694 AMAZON-02 - Amazon.com, Inc., US 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2150 4362 557 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1498 1239 716 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 BRIGHTSPEED - Brightspeed, 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1489 1383 139 SAUDINETSTC-AS, SA 20940 1261 97 1024 AKAMAI-ASN1, NL 34984 1111 145 753 TELLCOM-AS, TR 8452 1043 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 793 57 701 CDNEXT, GB 8376 683 53 30 UNASSIGNED 35819 587 577 77 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 7600 1874 773 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1448 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 371 22 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 670 42 246 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 1538 557 31 RAYA-AS, EG 37069 759 1100 11 MOBINIL, EG 24863 749 118 367 LINKdotNET-AS, EG 36935 747 167 171 Vodafone-, EG 36992 617 1293 198 ETISALAT-MISR, EG 29571 602 70 18 ORANGE-COTE-IVOIRE, CI 36914 553 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 37693 349 599 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 14908 41324 5694 AMAZON-02 - Amazon.com, Inc., US 9808 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7600 1874 773 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2449 154 464 LCS-AS-AP LARUS Limited, HK 6167 2150 4362 557 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 13703 13582 CHINAMOBILE-CN China Mobile Communications Grou 8151 7600 6827 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4786 4423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2449 1985 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1835 1756 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1899 1673 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 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 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 23.146.16.0/24 Origin: 396281 AGCOMTECH - AGILITY COMMUNICATIONS AND T 23.146.16.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /12:161 /13:217 /14:577 /15:1083 /16:7464 /17:3506 /18:4299 /19:7807 /20:13253 /21:16373 /22:29018 /23:30253 /24:178735 /25:61 /26:82 /27:47 /28:20 /29:7 /30:13 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4228 7600 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4786 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2709 14908 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1448 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 6167 987 2150 CELLCO-PART - Verizon Business, US 209 943 1619 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:554 3:992 4:1 5:1156 6:188 7:5 8:611 9:7 11:172 12:820 13:628 14:125 15:406 16:182 17:3 18:907 20:371 21:4 22:188 23:2923 24:788 27:18 28:1 29:19 31:455 32:13 34:11 35:176 36:3430 37:673 38:2617 39:882 40:60 41:1088 42:20 43:217 44:27 45:4355 46:899 47:189 48:69 49:23 50:476 51:544 52:1124 54:273 55:1012 56:11 57:31 58:16 59:27 60:14 61:56 62:652 63:682 64:2240 65:1029 66:2483 67:1189 68:504 69:1178 70:424 71:141 72:747 74:1019 75:260 76:221 77:511 78:545 79:274 80:331 81:434 82:815 83:214 84:397 85:603 86:259 87:238 88:285 89:631 90:121 91:943 92:606 93:940 94:995 95:1288 96:276 97:46 98:469 99:303 100:41 101:31 102:430 103:1152 104:1667 105:236 106:7 107:1841 108:526 109:377 110:61 111:2810 112:1401 113:40 114:32 115:14 116:51 117:1645 118:54 119:72 120:2061 121:38 122:44 123:106 124:59 125:19 126:1 128:507 129:392 130:734 131:1213 132:550 133:214 134:562 135:119 136:680 137:596 138:1110 139:457 140:749 141:474 142:1569 143:851 144:522 145:172 146:663 147:503 148:1027 149:844 150:217 151:909 152:858 153:584 154:2511 155:967 156:2100 157:436 158:684 159:896 160:765 161:709 162:981 163:372 164:730 165:632 166:560 167:711 168:1469 169:164 170:1900 171:104 172:1497 173:809 174:353 175:107 176:770 177:1181 178:648 179:945 180:37 181:2650 182:28 183:1739 184:447 185:3363 186:3723 187:1881 188:1051 189:1981 190:6279 191:619 192:5064 193:1700 194:1128 195:956 196:688 197:691 198:2645 199:2489 200:4463 201:3571 202:1014 203:711 204:2170 205:1837 206:1525 207:1722 208:1626 209:1959 210:353 211:519 212:1066 213:856 214:958 215:36 216:2518 217:553 218:669 219:18 220:27 221:537 222:29 223:1716 End of report