IPv4 R&E Routing Table Report 20:15 GMT Fri 06 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: 289381 Prefixes after maximum aggregation (per Origin AS): 118244 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148234 Number of IPv4 prefixes with a valid ROA: 147236 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 141933 Total ASes present in the Internet Routing Table: 20331 Prefixes per ASN: 14.23 Origin-only ASes present in the Internet Routing Table: 17518 Origin ASes announcing only one prefix: 7941 Transit ASes present in the Internet Routing Table: 2813 Transit-only ASes present in the Internet Routing Table: 703 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: 243 Number of instances of unregistered ASNs: 272 Number of 32-bit ASNs allocated by the RIRs: 48616 Number of 32-bit ASNs visible in the Routing Table: 8212 Prefixes from 32-bit ASNs in the Routing Table: 34131 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: 1612491205 Equivalent to 96 /8s, 28 /16s and 169 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 93014 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43707 Total APNIC prefixes after maximum aggregation: 8869 APNIC Deaggregation factor: 4.93 Prefixes being announced from the APNIC address blocks: 40216 Unique aggregates announced from the APNIC address blocks: 9084 APNIC Region origin ASes present in the Internet Routing Table: 1281 APNIC Prefixes per ASN: 31.39 APNIC Region origin ASes announcing only one prefix: 550 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: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 602 Number of APNIC addresses announced to Internet: 170962540 Equivalent to 10 /8s, 48 /16s and 174 /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: 126399 Total ARIN prefixes after maximum aggregation: 64769 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124061 Unique aggregates announced from the ARIN address blocks: 70429 ARIN Region origin ASes present in the Internet Routing Table: 9105 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 3783 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2198 Number of ARIN addresses announced to Internet: 1007651625 Equivalent to 60 /8s, 15 /16s and 139 /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: 51175 Total RIPE prefixes after maximum aggregation: 25802 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53863 Unique aggregates announced from the RIPE address blocks: 37142 RIPE Region origin ASes present in the Internet Routing Table: 4463 RIPE Prefixes per ASN: 12.07 RIPE Region origin ASes announcing only one prefix: 1901 RIPE Region transit ASes present in the Internet Routing Table: 684 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: 1884 Number of RIPE addresses announced to Internet: 280862160 Equivalent to 16 /8s, 189 /16s and 157 /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: 57057 Total LACNIC prefixes after maximum aggregation: 16281 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 54897 Unique aggregates announced from the LACNIC address blocks: 24014 LACNIC Region origin ASes present in the Internet Routing Table: 4372 LACNIC Prefixes per ASN: 12.56 LACNIC Region origin ASes announcing only one prefix: 1594 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: 3371 Number of LACNIC addresses announced to Internet: 107031136 Equivalent to 6 /8s, 97 /16s and 42 /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: 10800 Total AfriNIC prefixes after maximum aggregation: 2330 AfriNIC Deaggregation factor: 4.64 Prefixes being announced from the AfriNIC address blocks: 16250 Unique aggregates announced from the AfriNIC address blocks: 7481 AfriNIC Region origin ASes present in the Internet Routing Table: 294 AfriNIC Prefixes per ASN: 55.27 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: 6.6 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 45842432 Equivalent to 2 /8s, 187 /16s and 128 /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 13500 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3364 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2308 145 465 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 711 1174 155 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 14138 38821 5521 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2575 211 1008 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1904 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1685 1476 770 DNIC-ASBLK-00306-00371 - United States De 209 1636 4882 261 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1479 732 688 BRIGHTSPEED - Brightspeed, US 20057 1447 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 4833 298 71 ALJAWWALSTC-AS, SA 20940 1257 96 1022 AKAMAI-ASN1, NL 25019 1172 1335 138 SAUDINETSTC-AS, SA 34984 978 150 735 TELLCOM-AS, TR 8452 916 1841 16 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 702 49 617 CDNEXT, GB 8376 676 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 7274 1906 801 UNINET, MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1412 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 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 29571 606 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 36914 565 82 3 KENET-AS, KE 36935 538 515 10 Vodafone-, EG 36903 508 236 349 MT-MPLS, MA 36992 419 880 274 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 14138 38821 5521 AMAZON-02 - Amazon.com, Inc., US 9808 13500 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7274 1906 801 UNINET, MX 39891 4833 298 71 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 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2575 211 1008 AS-COLOCROSSING - HostPapa, US 17561 2308 145 465 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 13500 13380 CHINAMOBILE-CN China Mobile Communications Grou 8151 7274 6473 UNINET, MX 39891 4833 4762 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 2308 1843 LCS-AS-AP LARUS Limited, HK 56041 1782 1703 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1904 1691 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 /14:576 /15:1064 /16:7476 /17:3485 /18:4176 /19:7686 /20:13330 /21:16289 /22:28706 /23:29797 /24:176084 /25:61 /26:80 /27:50 /28:18 /29:7 /30:9 /31:1 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4001 7274 UNINET, MX 39891 3647 4833 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2523 14138 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 11664 1093 1412 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1093 2575 AS-COLOCROSSING - HostPapa, US 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 2:469 3:980 4:5 5:1172 6:174 7:5 8:640 9:7 11:172 12:882 13:560 14:179 15:362 16:157 17:3 18:912 20:204 21:4 22:188 23:2871 24:660 27:49 29:19 31:469 32:13 34:6 35:182 36:3343 37:623 38:2428 39:847 40:247 41:1144 42:22 43:214 44:28 45:4354 46:932 47:167 48:20 49:21 50:496 51:458 52:1081 54:234 55:1111 56:11 57:32 58:48 59:42 60:73 61:56 62:602 63:720 64:2155 65:990 66:2321 67:1085 68:485 69:1222 70:431 71:151 72:703 74:971 75:291 76:223 77:436 78:590 79:244 80:361 81:423 82:815 83:209 84:342 85:639 86:256 87:203 88:284 89:562 90:104 91:922 92:705 93:886 94:994 95:1281 96:286 97:45 98:387 99:270 100:22 101:21 102:482 103:1223 104:1701 105:125 106:3 107:1739 108:512 109:363 110:104 111:2798 112:1271 113:32 114:34 115:54 116:56 117:1594 118:61 119:85 120:2014 121:35 122:70 123:123 124:69 125:49 128:610 129:306 130:721 131:1184 132:549 133:218 134:503 135:136 136:739 137:599 138:978 139:452 140:757 141:428 142:1452 143:867 144:491 145:198 146:685 147:500 148:1008 149:765 150:230 151:884 152:799 153:286 154:2363 155:1021 156:2168 157:470 158:651 159:815 160:789 161:725 162:986 163:417 164:734 165:620 166:560 167:717 168:1454 169:202 170:1834 171:104 172:1556 173:781 174:272 175:93 176:661 177:919 178:651 179:887 180:51 181:2572 182:32 183:1694 184:437 185:3338 186:3443 187:1723 188:1027 189:1977 190:6323 191:530 192:5131 193:1687 194:1121 195:922 196:700 197:1131 198:2684 199:2450 200:4588 201:3672 202:1100 203:821 204:2181 205:1792 206:1450 207:1697 208:1568 209:1921 210:405 211:518 212:1008 213:887 214:988 215:43 216:2426 217:552 218:653 219:29 220:82 221:536 222:36 223:1681 End of report