IPv4 R&E Routing Table Report 20:15 GMT Wed 04 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: 289030 Prefixes after maximum aggregation (per Origin AS): 118355 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 148279 Number of IPv4 prefixes with a valid ROA: 147161 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 141658 Total ASes present in the Internet Routing Table: 20274 Prefixes per ASN: 14.26 Origin-only ASes present in the Internet Routing Table: 17464 Origin ASes announcing only one prefix: 7912 Transit ASes present in the Internet Routing Table: 2810 Transit-only ASes present in the Internet Routing Table: 705 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: 48569 Number of 32-bit ASNs visible in the Routing Table: 8184 Prefixes from 32-bit ASNs in the Routing Table: 33977 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: 95 Number of addresses announced to Internet: 1626889925 Equivalent to 96 /8s, 248 /16s and 94 /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: 92506 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44083 Total APNIC prefixes after maximum aggregation: 9152 APNIC Deaggregation factor: 4.82 Prefixes being announced from the APNIC address blocks: 40710 Unique aggregates announced from the APNIC address blocks: 9581 APNIC Region origin ASes present in the Internet Routing Table: 1300 APNIC Prefixes per ASN: 31.32 APNIC Region origin ASes announcing only one prefix: 563 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: 612 Number of APNIC addresses announced to Internet: 186489196 Equivalent to 11 /8s, 29 /16s and 153 /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: 126353 Total ARIN prefixes after maximum aggregation: 64729 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123954 Unique aggregates announced from the ARIN address blocks: 70331 ARIN Region origin ASes present in the Internet Routing Table: 9092 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 3771 ARIN Region transit ASes present in the Internet Routing Table: 851 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: 1007064105 Equivalent to 60 /8s, 6 /16s and 148 /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: 50983 Total RIPE prefixes after maximum aggregation: 25750 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53564 Unique aggregates announced from the RIPE address blocks: 36915 RIPE Region origin ASes present in the Internet Routing Table: 4416 RIPE Prefixes per ASN: 12.13 RIPE Region origin ASes announcing only one prefix: 1879 RIPE Region transit ASes present in the Internet Routing Table: 673 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: 1870 Number of RIPE addresses announced to Internet: 280288976 Equivalent to 16 /8s, 180 /16s and 222 /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: 56802 Total LACNIC prefixes after maximum aggregation: 16226 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 54669 Unique aggregates announced from the LACNIC address blocks: 23915 LACNIC Region origin ASes present in the Internet Routing Table: 4355 LACNIC Prefixes per ASN: 12.55 LACNIC Region origin ASes announcing only one prefix: 1589 LACNIC Region transit ASes present in the Internet Routing Table: 859 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: 3357 Number of LACNIC addresses announced to Internet: 107077216 Equivalent to 6 /8s, 97 /16s and 222 /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: 10568 Total AfriNIC prefixes after maximum aggregation: 2307 AfriNIC Deaggregation factor: 4.58 Prefixes being announced from the AfriNIC address blocks: 16038 Unique aggregates announced from the AfriNIC address blocks: 7452 AfriNIC Region origin ASes present in the Internet Routing Table: 295 AfriNIC Prefixes per ASN: 54.37 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 82 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: 158 Number of AfriNIC addresses announced to Internet: 45828864 Equivalent to 2 /8s, 187 /16s and 75 /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 13444 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3363 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2298 144 465 LCS-AS-AP LARUS Limited, HK 56041 1765 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 909 177 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 14093 38818 5506 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 2575 211 1006 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1903 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1702 1496 784 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1266 97 1029 AKAMAI-ASN1, NL 25019 1172 1335 138 SAUDINETSTC-AS, SA 34984 978 150 735 TELLCOM-AS, TR 8452 951 1841 16 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 701 49 616 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 553 53 25 Jordan Data Communications, JO 5511 530 98 450 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 7261 1904 799 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 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 563 82 3 KENET-AS, KE 36935 524 515 10 Vodafone-, EG 36903 496 232 343 MT-MPLS, MA 29571 424 78 20 ORANGE-COTE-IVOIRE, CI 36992 381 870 245 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 14093 38818 5506 AMAZON-02 - Amazon.com, Inc., US 9808 13444 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7261 1904 799 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4774 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3363 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2575 211 1006 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 13444 13324 CHINAMOBILE-CN China Mobile Communications Grou 8151 7261 6462 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4774 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3363 3168 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 11776 1903 1690 ATLANTICBB-JOHNSTOWN - Breezeline, US 56041 1765 1686 CMNET-ZHEJIANG-AP China Mobile communications c 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 /11:53 /12:159 /13:214 /14:576 /15:1067 /16:7635 /17:3514 /18:4190 /19:7669 /20:13297 /21:16265 /22:28679 /23:29735 /24:175689 /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 3989 7261 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2501 14093 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 36352 1094 2575 AS-COLOCROSSING - HostPapa, US 11664 1093 1412 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1044 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 2:467 3:977 4:5 5:1167 6:172 7:5 8:640 9:6 11:172 12:878 13:554 14:181 15:363 16:157 17:3 18:910 20:204 21:4 22:188 23:2884 24:663 27:48 29:19 31:473 32:13 34:6 35:182 36:3342 37:610 38:2327 39:844 40:247 41:1127 42:22 43:208 44:28 45:4343 46:937 47:168 48:20 49:21 50:489 51:522 52:1081 54:234 55:1123 56:11 57:31 58:48 59:42 60:73 61:59 62:591 63:716 64:2167 65:974 66:2318 67:1077 68:480 69:1216 70:431 71:151 72:703 74:967 75:291 76:225 77:432 78:593 79:228 80:351 81:425 82:805 83:210 84:337 85:633 86:236 87:205 88:276 89:559 90:104 91:889 92:680 93:879 94:966 95:1274 96:286 97:45 98:387 99:267 100:22 101:21 102:493 103:1233 104:1706 105:124 106:4 107:1740 108:515 109:361 110:104 111:2796 112:1305 113:32 114:35 115:54 116:55 117:1558 118:63 119:87 120:2011 121:36 122:72 123:125 124:74 125:55 128:610 129:367 130:716 131:1183 132:551 133:223 134:504 135:136 136:739 137:606 138:999 139:452 140:756 141:427 142:1459 143:927 144:500 145:198 146:682 147:500 148:1001 149:768 150:244 151:882 152:802 153:284 154:2348 155:1018 156:2163 157:476 158:647 159:816 160:674 161:722 162:986 163:427 164:732 165:618 166:539 167:717 168:1456 169:203 170:1818 171:104 172:1555 173:782 174:271 175:97 176:656 177:907 178:642 179:890 180:51 181:2570 182:32 183:1692 184:437 185:3330 186:3432 187:1692 188:1032 189:1971 190:6285 191:538 192:5113 193:1682 194:1102 195:913 196:696 197:1109 198:2682 199:2447 200:4570 201:3641 202:1113 203:824 204:2180 205:1788 206:1436 207:1694 208:1568 209:1912 210:475 211:548 212:1019 213:870 214:987 215:43 216:2445 217:547 218:656 219:30 220:82 221:535 222:36 223:1679 End of report