IPv4 R&E Routing Table Report 20:15 GMT Sat 21 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: 291484 Prefixes after maximum aggregation (per Origin AS): 118792 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149086 Number of IPv4 prefixes with a valid ROA: 149524 Number of IPv4 prefixes with an invalid ROA: 243 Number of IPv4 prefixes with no ROA: 141717 Total ASes present in the Internet Routing Table: 20498 Prefixes per ASN: 14.22 Origin-only ASes present in the Internet Routing Table: 17615 Origin ASes announcing only one prefix: 7913 Transit ASes present in the Internet Routing Table: 2883 Transit-only ASes present in the Internet Routing Table: 727 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: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 250 Number of instances of unregistered ASNs: 279 Number of 32-bit ASNs allocated by the RIRs: 48811 Number of 32-bit ASNs visible in the Routing Table: 8402 Prefixes from 32-bit ASNs in the Routing Table: 35516 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: 101 Number of addresses announced to Internet: 1624078021 Equivalent to 96 /8s, 205 /16s and 118 /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: 93554 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43661 Total APNIC prefixes after maximum aggregation: 8620 APNIC Deaggregation factor: 5.07 Prefixes being announced from the APNIC address blocks: 39788 Unique aggregates announced from the APNIC address blocks: 8559 APNIC Region origin ASes present in the Internet Routing Table: 1273 APNIC Prefixes per ASN: 31.26 APNIC Region origin ASes announcing only one prefix: 543 APNIC Region transit ASes present in the Internet Routing Table: 216 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: 614 Number of APNIC addresses announced to Internet: 170636652 Equivalent to 10 /8s, 43 /16s and 181 /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: 127683 Total ARIN prefixes after maximum aggregation: 65138 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124651 Unique aggregates announced from the ARIN address blocks: 71063 ARIN Region origin ASes present in the Internet Routing Table: 8983 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 3708 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: 2151 Number of ARIN addresses announced to Internet: 1017226793 Equivalent to 60 /8s, 161 /16s and 166 /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: 51423 Total RIPE prefixes after maximum aggregation: 25832 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54480 Unique aggregates announced from the RIPE address blocks: 37398 RIPE Region origin ASes present in the Internet Routing Table: 4484 RIPE Prefixes per ASN: 12.15 RIPE Region origin ASes announcing only one prefix: 1913 RIPE Region transit ASes present in the Internet Routing Table: 689 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: 1893 Number of RIPE addresses announced to Internet: 282542288 Equivalent to 16 /8s, 215 /16s and 64 /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: 57928 Total LACNIC prefixes after maximum aggregation: 16784 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 55723 Unique aggregates announced from the LACNIC address blocks: 24597 LACNIC Region origin ASes present in the Internet Routing Table: 4626 LACNIC Prefixes per ASN: 12.05 LACNIC Region origin ASes announcing only one prefix: 1636 LACNIC Region transit ASes present in the Internet Routing Table: 923 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: 3589 Number of LACNIC addresses announced to Internet: 107278688 Equivalent to 6 /8s, 100 /16s and 241 /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: 10539 Total AfriNIC prefixes after maximum aggregation: 2221 AfriNIC Deaggregation factor: 4.75 Prefixes being announced from the AfriNIC address blocks: 16741 Unique aggregates announced from the AfriNIC address blocks: 7378 AfriNIC Region origin ASes present in the Internet Routing Table: 290 AfriNIC Prefixes per ASN: 57.73 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 81 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155 Number of AfriNIC addresses announced to Internet: 46314240 Equivalent to 2 /8s, 194 /16s and 179 /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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2715 170 522 LCS-AS-AP LARUS Limited, HK 56041 1795 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1059 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 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 712 1210 158 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 14334 41156 5578 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3098 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2363 194 1095 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1635 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1613 1336 739 DNIC-ASBLK-00306-00371 - United States De 19901 1474 736 688 BRIGHTSPEED - Brightspeed, US 20057 1450 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 1240 1336 142 SAUDINETSTC-AS, SA 20940 1119 87 905 AKAMAI-ASN1, NL 34984 976 145 726 TELLCOM-AS, TR 8452 928 1841 23 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 746 54 659 CDNEXT, GB 8376 668 54 30 Jordan Data Communications, JO 58224 575 289 401 TCI, IR 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 7263 1928 796 UNINET, MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1413 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1254 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2475 94 TIM SA, BR 18881 944 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 691 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 1490 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 856 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36935 557 515 10 Vodafone-, EG 36914 554 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 460 78 20 ORANGE-COTE-IVOIRE, CI 36992 389 873 252 ETISALAT-MISR, EG 2018 375 318 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 14334 41156 5578 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7263 1928 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4779 3098 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 17561 2715 170 522 LCS-AS-AP LARUS Limited, HK 36352 2363 194 1095 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 7263 6467 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4779 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3406 3217 CMNET-JIANGSU-AP China Mobile communications co 17561 2715 2193 LCS-AS-AP LARUS Limited, HK 11830 1992 1927 Instituto Costarricense de Electricidad y Telec 56041 1795 1716 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1894 1680 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 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 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 23.176.104.0/24 Origin: 32097 WII - WholeSale Internet, Inc., US 23.176.104.0/24 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 /13:216 /14:579 /15:1076 /16:7505 /17:3501 /18:4219 /19:7731 /20:13489 /21:16122 /22:28819 /23:30148 /24:177568 /25:67 /26:83 /27:51 /28:18 /29:7 /30:9 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3989 7263 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3054 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2602 14334 AMAZON-02 - Amazon.com, Inc., US 11830 1696 1992 Instituto Costarricense de Electricidad y Telecom., CR 11664 1102 1413 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1032 1474 BRIGHTSPEED - Brightspeed, US 36352 1026 2363 AS-COLOCROSSING - HostPapa, US 209 951 1635 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 2:412 3:980 4:5 5:1167 6:178 7:5 8:630 9:7 11:172 12:868 13:583 14:178 15:396 16:149 17:3 18:909 20:341 21:4 22:188 23:2805 24:658 27:45 29:19 31:500 32:13 34:9 35:184 36:3361 37:612 38:2504 39:851 40:260 41:1079 42:22 43:216 44:28 45:4652 46:936 47:166 48:20 49:21 50:491 51:519 52:1109 54:253 55:1119 56:11 57:32 58:48 59:36 60:74 61:57 62:611 63:709 64:2214 65:977 66:2379 67:1109 68:493 69:1224 70:428 71:150 72:690 74:973 75:275 76:225 77:434 78:563 79:247 80:357 81:421 82:846 83:208 84:339 85:631 86:255 87:204 88:269 89:572 90:103 91:919 92:699 93:890 94:985 95:1254 96:284 97:44 98:390 99:278 100:22 101:27 102:471 103:1272 104:1723 105:132 107:1761 108:508 109:365 110:104 111:2804 112:1273 113:34 114:35 115:54 116:53 117:1609 118:65 119:85 120:2018 121:35 122:42 123:123 124:71 125:26 126:1 128:607 129:357 130:720 131:1204 132:552 133:218 134:498 135:134 136:720 137:606 138:1034 139:458 140:760 141:428 142:1465 143:884 144:492 145:206 146:669 147:502 148:998 149:789 150:236 151:915 152:822 153:289 154:2682 155:1002 156:2310 157:465 158:654 159:811 160:691 161:711 162:983 163:410 164:735 165:637 166:568 167:717 168:1492 169:197 170:1887 171:104 172:1580 173:758 174:272 175:92 176:629 177:1077 178:657 179:929 180:37 181:2604 182:31 183:1699 184:436 185:3301 186:3500 187:1741 188:1039 189:2016 190:6280 191:561 192:5044 193:1757 194:1118 195:934 196:695 197:1114 198:2640 199:2489 200:4535 201:3669 202:1043 203:819 204:2139 205:1803 206:1483 207:1688 208:1607 209:1963 210:349 211:519 212:1020 213:888 214:982 215:43 216:2488 217:561 218:656 219:18 220:79 221:537 222:27 223:1684 End of report