IPv4 R&E Routing Table Report 20:15 GMT Thu 05 Feb, 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: 289109 Prefixes after maximum aggregation (per Origin AS): 118187 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148151 Number of IPv4 prefixes with a valid ROA: 147020 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 141877 Total ASes present in the Internet Routing Table: 20365 Prefixes per ASN: 14.20 Origin-only ASes present in the Internet Routing Table: 17543 Origin ASes announcing only one prefix: 7941 Transit ASes present in the Internet Routing Table: 2822 Transit-only ASes present in the Internet Routing Table: 701 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: 30 Max AS path prepend of ASN (264732) 23 Prefixes from unregistered ASNs in the Routing Table: 241 Number of instances of unregistered ASNs: 270 Number of 32-bit ASNs allocated by the RIRs: 48594 Number of 32-bit ASNs visible in the Routing Table: 8238 Prefixes from 32-bit ASNs in the Routing Table: 34171 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: 94 Number of addresses announced to Internet: 1612116677 Equivalent to 96 /8s, 22 /16s and 242 /24s Percentage of available address space announced: 43.5 Percentage of allocated address space announced: 43.5 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: 92908 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43700 Total APNIC prefixes after maximum aggregation: 8885 APNIC Deaggregation factor: 4.92 Prefixes being announced from the APNIC address blocks: 40287 Unique aggregates announced from the APNIC address blocks: 9161 APNIC Region origin ASes present in the Internet Routing Table: 1285 APNIC Prefixes per ASN: 31.35 APNIC Region origin ASes announcing only one prefix: 552 APNIC Region transit ASes present in the Internet Routing Table: 228 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 607 Number of APNIC addresses announced to Internet: 170988652 Equivalent to 10 /8s, 49 /16s and 20 /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: 126268 Total ARIN prefixes after maximum aggregation: 64659 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123891 Unique aggregates announced from the ARIN address blocks: 70312 ARIN Region origin ASes present in the Internet Routing Table: 9104 ARIN Prefixes per ASN: 13.61 ARIN Region origin ASes announcing only one prefix: 3774 ARIN Region transit ASes present in the Internet Routing Table: 852 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: 2187 Number of ARIN addresses announced to Internet: 1007215913 Equivalent to 60 /8s, 8 /16s and 229 /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, 393216-402332 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: 51150 Total RIPE prefixes after maximum aggregation: 25778 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53809 Unique aggregates announced from the RIPE address blocks: 37047 RIPE Region origin ASes present in the Internet Routing Table: 4455 RIPE Prefixes per ASN: 12.08 RIPE Region origin ASes announcing only one prefix: 1898 RIPE Region transit ASes present in the Internet Routing Table: 681 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: 1878 Number of RIPE addresses announced to Internet: 280766928 Equivalent to 16 /8s, 188 /16s and 41 /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: 57153 Total LACNIC prefixes after maximum aggregation: 16361 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 54990 Unique aggregates announced from the LACNIC address blocks: 24077 LACNIC Region origin ASes present in the Internet Routing Table: 4412 LACNIC Prefixes per ASN: 12.46 LACNIC Region origin ASes announcing only one prefix: 1604 LACNIC Region transit ASes present in the Internet Routing Table: 860 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3405 Number of LACNIC addresses announced to Internet: 107187552 Equivalent to 6 /8s, 99 /16s and 141 /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: 10597 Total AfriNIC prefixes after maximum aggregation: 2313 AfriNIC Deaggregation factor: 4.58 Prefixes being announced from the AfriNIC address blocks: 16038 Unique aggregates announced from the AfriNIC address blocks: 7470 AfriNIC Region origin ASes present in the Internet Routing Table: 297 AfriNIC Prefixes per ASN: 54.00 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 84 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 161 Number of AfriNIC addresses announced to Internet: 45816320 Equivalent to 2 /8s, 187 /16s and 26 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 13502 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3364 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2298 144 465 LCS-AS-AP LARUS Limited, HK 56041 1782 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1057 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 909 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 705 1172 152 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 14099 38815 5495 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2576 211 1007 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1903 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1692 1478 776 DNIC-ASBLK-00306-00371 - United States De 209 1636 4882 261 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1479 732 688 BRIGHTSPEED - Brightspeed, US 20057 1448 1017 112 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 4901 302 72 ALJAWWALSTC-AS, SA 20940 1252 96 1018 AKAMAI-ASN1, NL 25019 1172 1335 138 SAUDINETSTC-AS, SA 34984 978 150 735 TELLCOM-AS, TR 8452 910 1841 16 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 702 49 617 CDNEXT, GB 8376 677 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 535 98 454 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 7286 1906 800 UNINET, MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1411 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1257 371 22 INTEGRATEL PERU S.A.A., PE 26615 1017 2486 57 TIM SA, BR 18881 915 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 680 164 24 America Movil Peru S.A.C., PE 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 1452 463 90 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 949 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 566 82 3 KENET-AS, KE 36935 527 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 424 78 20 ORANGE-COTE-IVOIRE, CI 36992 381 870 245 ETISALAT-MISR, EG 2018 373 318 69 TENET-1, ZA 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 14099 38815 5495 AMAZON-02 - Amazon.com, Inc., US 9808 13502 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7286 1906 800 UNINET, MX 39891 4901 302 72 ALJAWWALSTC-AS, SA 22773 4774 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3364 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2576 211 1007 AS-COLOCROSSING - HostPapa, US 17561 2298 144 465 LCS-AS-AP LARUS Limited, HK 11830 1990 369 65 Instituto Costarricense de Electricidad y 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 13502 13382 CHINAMOBILE-CN China Mobile Communications Grou 8151 7286 6486 UNINET, MX 39891 4901 4829 ALJAWWALSTC-AS, SA 22773 4774 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3364 3169 CMNET-JIANGSU-AP China Mobile communications co 11830 1990 1925 Instituto Costarricense de Electricidad y Telec 17561 2298 1833 LCS-AS-AP LARUS Limited, HK 56041 1782 1703 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1903 1690 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 1666 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 23.155.185.0/24 Origin: 401541 OSIE - Osie, US 23.155.185.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, 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 /11:52 /12:159 /13:213 /14:575 /15:1064 /16:7476 /17:3482 /18:4165 /19:7679 /20:13311 /21:16269 /22:28688 /23:29767 /24:175934 /25:59 /26:76 /27:43 /28:18 /29:7 /30:9 /31:1 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4009 7286 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2508 14099 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 36352 1094 2576 AS-COLOCROSSING - HostPapa, US 11664 1092 1411 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1042 1479 BRIGHTSPEED - Brightspeed, US 209 951 1636 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 932 1520 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:468 3:980 4:5 5:1168 6:174 7:5 8:639 9:7 11:172 12:882 13:562 14:179 15:362 16:157 17:3 18:905 20:204 21:4 22:188 23:2876 24:662 27:48 29:19 31:472 32:13 34:6 35:182 36:3344 37:614 38:2361 39:847 40:247 41:1131 42:22 43:214 44:28 45:4369 46:931 47:167 48:20 49:21 50:494 51:522 52:1081 54:234 55:1115 56:11 57:32 58:48 59:42 60:73 61:57 62:593 63:720 64:2171 65:978 66:2316 67:1085 68:483 69:1221 70:432 71:150 72:704 74:972 75:290 76:224 77:433 78:590 79:244 80:361 81:422 82:818 83:210 84:331 85:637 86:256 87:203 88:278 89:559 90:104 91:915 92:704 93:885 94:993 95:1274 96:286 97:45 98:387 99:268 100:22 101:21 102:504 103:1231 104:1696 105:125 106:3 107:1739 108:514 109:355 110:104 111:2798 112:1317 113:32 114:34 115:54 116:55 117:1594 118:61 119:85 120:2014 121:35 122:71 123:124 124:68 125:49 128:610 129:303 130:721 131:1185 132:550 133:218 134:503 135:136 136:738 137:607 138:985 139:450 140:769 141:427 142:1454 143:865 144:487 145:198 146:686 147:498 148:995 149:768 150:228 151:884 152:798 153:285 154:2356 155:1020 156:2163 157:469 158:648 159:815 160:646 161:721 162:987 163:417 164:733 165:622 166:560 167:725 168:1460 169:203 170:1834 171:104 172:1555 173:781 174:271 175:93 176:662 177:927 178:651 179:882 180:51 181:2570 182:32 183:1693 184:434 185:3328 186:3467 187:1714 188:1024 189:1976 190:6295 191:536 192:5138 193:1685 194:1124 195:906 196:696 197:1112 198:2675 199:2452 200:4594 201:3674 202:1103 203:820 204:2193 205:1789 206:1441 207:1695 208:1567 209:1919 210:428 211:518 212:1016 213:883 214:987 215:43 216:2455 217:544 218:653 219:29 220:82 221:537 222:36 223:1681 End of report