IPv4 R&E Routing Table Report 20:15 GMT Fri 27 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: 290531 Prefixes after maximum aggregation (per Origin AS): 117534 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 146958 Number of IPv4 prefixes with a valid ROA: 149334 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 140984 Total ASes present in the Internet Routing Table: 20370 Prefixes per ASN: 14.26 Origin-only ASes present in the Internet Routing Table: 17485 Origin ASes announcing only one prefix: 7842 Transit ASes present in the Internet Routing Table: 2885 Transit-only ASes present in the Internet Routing Table: 736 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: 248 Number of instances of unregistered ASNs: 277 Number of 32-bit ASNs allocated by the RIRs: 49148 Number of 32-bit ASNs visible in the Routing Table: 8356 Prefixes from 32-bit ASNs in the Routing Table: 34780 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: 93 Number of addresses announced to Internet: 1621657509 Equivalent to 96 /8s, 168 /16s and 135 /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: 93893 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42556 Total APNIC prefixes after maximum aggregation: 7963 APNIC Deaggregation factor: 5.34 Prefixes being announced from the APNIC address blocks: 39195 Unique aggregates announced from the APNIC address blocks: 7737 APNIC Region origin ASes present in the Internet Routing Table: 1252 APNIC Prefixes per ASN: 31.31 APNIC Region origin ASes announcing only one prefix: 513 APNIC Region transit ASes present in the Internet Routing Table: 222 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: 613 Number of APNIC addresses announced to Internet: 168980332 Equivalent to 10 /8s, 18 /16s and 111 /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: 128382 Total ARIN prefixes after maximum aggregation: 65203 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125383 Unique aggregates announced from the ARIN address blocks: 70900 ARIN Region origin ASes present in the Internet Routing Table: 8950 ARIN Prefixes per ASN: 14.01 ARIN Region origin ASes announcing only one prefix: 3697 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2158 Number of ARIN addresses announced to Internet: 1017839401 Equivalent to 60 /8s, 170 /16s and 255 /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: 51327 Total RIPE prefixes after maximum aggregation: 25470 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 54499 Unique aggregates announced from the RIPE address blocks: 37500 RIPE Region origin ASes present in the Internet Routing Table: 4499 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1922 RIPE Region transit ASes present in the Internet Routing Table: 711 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1944 Number of RIPE addresses announced to Internet: 282076752 Equivalent to 16 /8s, 208 /16s and 38 /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: 58145 Total LACNIC prefixes after maximum aggregation: 16575 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55834 Unique aggregates announced from the LACNIC address blocks: 24261 LACNIC Region origin ASes present in the Internet Routing Table: 4534 LACNIC Prefixes per ASN: 12.31 LACNIC Region origin ASes announcing only one prefix: 1600 LACNIC Region transit ASes present in the Internet Routing Table: 912 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: 3490 Number of LACNIC addresses announced to Internet: 107292096 Equivalent to 6 /8s, 101 /16s and 37 /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: 9873 Total AfriNIC prefixes after maximum aggregation: 2124 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 15527 Unique aggregates announced from the AfriNIC address blocks: 6476 AfriNIC Region origin ASes present in the Internet Routing Table: 283 AfriNIC Prefixes per ASN: 54.87 AfriNIC Region origin ASes announcing only one prefix: 110 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 151 Number of AfriNIC addresses announced to Internet: 45327616 Equivalent to 2 /8s, 179 /16s and 165 /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 13588 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2363 149 474 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 726 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 14577 41225 5610 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2513 207 988 AS-COLOCROSSING - HostPapa, US 6167 2084 4309 585 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1601 1318 734 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 683 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 4903 302 73 ALJAWWALSTC-AS, SA 25019 1296 1335 142 SAUDINETSTC-AS, SA 20940 1254 97 1019 AKAMAI-ASN1, NL 34984 979 145 730 TELLCOM-AS, TR 8452 935 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 662 54 30 UNASSIGNED 212238 594 42 528 CDNEXT, GB 51167 565 113 248 CONTABO, DE 35819 554 554 88 MOBILY-AS Etihad Etisalat Company Mobily, 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 7344 1941 801 UNINET, MX 11830 1959 369 65 Instituto Costarricense de Electricidad y 10620 1513 211 1128 Telmex Colombia S.A., CO 11664 1450 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1054 2393 95 TIM SA, BR 18881 979 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 686 43 206 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 1587 552 27 RAYA-AS, EG 24863 879 389 16 LINKdotNET-AS, EG 36935 760 522 42 Vodafone-, EG 37069 755 1100 11 MOBINIL, EG 36914 555 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 487 78 20 ORANGE-COTE-IVOIRE, CI 36992 434 901 264 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 14577 41225 5610 AMAZON-02 - Amazon.com, Inc., US 9808 13588 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7344 1941 801 UNINET, MX 39891 4903 302 73 ALJAWWALSTC-AS, SA 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2513 207 988 AS-COLOCROSSING - HostPapa, US 17561 2363 149 474 LCS-AS-AP LARUS Limited, HK 6167 2084 4309 585 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 13588 13468 CHINAMOBILE-CN China Mobile Communications Grou 8151 7344 6543 UNINET, MX 39891 4903 4830 ALJAWWALSTC-AS, SA 22773 4778 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3415 3226 CMNET-JIANGSU-AP China Mobile communications co 11830 1959 1894 Instituto Costarricense de Electricidad y Telec 17561 2363 1889 LCS-AS-AP LARUS Limited, HK 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 199742 UNALLOCATED 2.27.58.0/24 58212 DATAFOREST, DE 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 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 /16:7485 /17:3506 /18:4208 /19:7716 /20:13351 /21:16145 /22:29052 /23:30132 /24:176504 /25:66 /26:83 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4074 7344 UNINET, MX 39891 3651 4903 ALJAWWALSTC-AS, SA 22773 3051 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2618 14577 AMAZON-02 - Amazon.com, Inc., US 11830 1668 1959 Instituto Costarricense de Electricidad y Telecom., CR 11664 1139 1450 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1073 2513 AS-COLOCROSSING - HostPapa, US 19901 1026 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 930 2084 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 2:518 3:1002 4:1 5:1326 6:183 7:5 8:621 9:7 11:172 12:851 13:622 14:121 15:400 16:143 17:3 18:910 20:364 21:4 22:188 23:2914 24:859 27:18 28:2 29:19 31:461 32:13 34:9 35:183 36:3344 37:637 38:2555 39:861 40:47 41:1107 42:20 43:211 44:26 45:4549 46:902 47:175 48:39 49:21 50:488 51:465 52:1105 54:270 55:1118 56:11 57:27 58:41 59:34 60:14 61:58 62:627 63:692 64:2207 65:998 66:2408 67:1122 68:491 69:1193 70:424 71:142 72:696 74:998 75:266 76:234 77:527 78:554 79:248 80:326 81:419 82:825 83:200 84:345 85:599 86:236 87:196 88:280 89:608 90:98 91:926 92:673 93:934 94:977 95:1293 96:271 97:44 98:377 99:287 100:22 101:25 102:398 103:1184 104:1633 105:171 107:1788 108:524 109:360 110:49 111:2797 112:1301 113:33 114:34 115:7 116:58 117:1636 118:66 119:96 120:2029 121:36 122:43 123:106 124:63 125:21 126:1 128:574 129:372 130:723 131:1260 132:560 133:217 134:516 135:135 136:708 137:601 138:1038 139:458 140:745 141:437 142:1520 143:855 144:511 145:181 146:666 147:505 148:1002 149:742 150:231 151:926 152:833 153:297 154:2299 155:982 156:2089 157:467 158:663 159:837 160:686 161:698 162:982 163:428 164:730 165:647 166:554 167:718 168:1479 169:204 170:1877 171:104 172:1410 173:810 174:269 175:105 176:621 177:1120 178:638 179:879 180:36 181:2581 182:26 183:1717 184:443 185:3259 186:3571 187:1774 188:1033 189:2000 190:6252 191:577 192:5171 193:1698 194:1098 195:921 196:692 197:688 198:2686 199:2477 200:4415 201:3664 202:1035 203:725 204:2209 205:1846 206:1501 207:1713 208:1630 209:2068 210:317 211:512 212:1050 213:879 214:971 215:36 216:2464 217:540 218:669 219:18 220:28 221:537 222:31 223:1698 End of report