IPv4 R&E Routing Table Report 20:15 GMT Sat 07 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: 289388 Prefixes after maximum aggregation (per Origin AS): 118564 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 148811 Number of IPv4 prefixes with a valid ROA: 147302 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 141874 Total ASes present in the Internet Routing Table: 20441 Prefixes per ASN: 14.16 Origin-only ASes present in the Internet Routing Table: 17602 Origin ASes announcing only one prefix: 7955 Transit ASes present in the Internet Routing Table: 2839 Transit-only ASes present in the Internet Routing Table: 710 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: 244 Number of instances of unregistered ASNs: 273 Number of 32-bit ASNs allocated by the RIRs: 48643 Number of 32-bit ASNs visible in the Routing Table: 8291 Prefixes from 32-bit ASNs in the Routing Table: 34578 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: 96 Number of addresses announced to Internet: 1613115845 Equivalent to 96 /8s, 38 /16s and 49 /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: 92839 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43702 Total APNIC prefixes after maximum aggregation: 8866 APNIC Deaggregation factor: 4.93 Prefixes being announced from the APNIC address blocks: 40213 Unique aggregates announced from the APNIC address blocks: 9079 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: 547 APNIC Region transit ASes present in the Internet Routing Table: 226 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: 603 Number of APNIC addresses announced to Internet: 170961004 Equivalent to 10 /8s, 48 /16s and 168 /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: 126652 Total ARIN prefixes after maximum aggregation: 64905 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124308 Unique aggregates announced from the ARIN address blocks: 70739 ARIN Region origin ASes present in the Internet Routing Table: 9102 ARIN Prefixes per ASN: 13.66 ARIN Region origin ASes announcing only one prefix: 3785 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: 1008058665 Equivalent to 60 /8s, 21 /16s and 193 /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: 51229 Total RIPE prefixes after maximum aggregation: 25802 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 53934 Unique aggregates announced from the RIPE address blocks: 37174 RIPE Region origin ASes present in the Internet Routing Table: 4463 RIPE Prefixes per ASN: 12.08 RIPE Region origin ASes announcing only one prefix: 1903 RIPE Region transit ASes present in the Internet Routing Table: 685 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: 1881 Number of RIPE addresses announced to Internet: 281114064 Equivalent to 16 /8s, 193 /16s and 117 /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: 56931 Total LACNIC prefixes after maximum aggregation: 16480 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 54764 Unique aggregates announced from the LACNIC address blocks: 24274 LACNIC Region origin ASes present in the Internet Routing Table: 4482 LACNIC Prefixes per ASN: 12.22 LACNIC Region origin ASes announcing only one prefix: 1610 LACNIC Region transit ASes present in the Internet Routing Table: 887 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: 3453 Number of LACNIC addresses announced to Internet: 107063648 Equivalent to 6 /8s, 97 /16s and 169 /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: 10630 Total AfriNIC prefixes after maximum aggregation: 2317 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 16073 Unique aggregates announced from the AfriNIC address blocks: 7459 AfriNIC Region origin ASes present in the Internet Routing Table: 290 AfriNIC Prefixes per ASN: 55.42 AfriNIC Region origin ASes announcing only one prefix: 110 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: 156 Number of AfriNIC addresses announced to Internet: 45841920 Equivalent to 2 /8s, 187 /16s and 126 /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 2305 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 14106 38818 5512 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 1008 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1904 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1689 1478 773 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 4969 306 72 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 915 1841 16 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 702 49 617 CDNEXT, GB 8376 671 53 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 6717 1855 805 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 1256 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 564 82 3 KENET-AS, KE 36935 538 515 10 Vodafone-, EG 36903 508 236 349 MT-MPLS, MA 29571 454 78 20 ORANGE-COTE-IVOIRE, CI 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 14106 38818 5512 AMAZON-02 - Amazon.com, Inc., US 9808 13502 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6717 1855 805 UNINET, MX 39891 4969 306 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 2575 211 1008 AS-COLOCROSSING - HostPapa, US 17561 2305 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 13502 13382 CHINAMOBILE-CN China Mobile Communications Grou 8151 6717 5912 UNINET, MX 39891 4969 4897 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 2305 1840 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 /14:575 /15:1064 /16:7474 /17:3485 /18:4181 /19:7656 /20:13371 /21:16191 /22:28680 /23:29876 /24:176122 /25:61 /26:81 /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 3708 6717 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2511 14106 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 2:470 3:979 4:5 5:1150 6:174 7:5 8:640 9:7 11:172 12:883 13:561 14:179 15:362 16:153 17:3 18:909 20:204 21:4 22:188 23:2872 24:662 27:49 29:19 31:473 32:13 34:6 35:182 36:3343 37:629 38:2419 39:847 40:249 41:1127 42:22 43:213 44:28 45:4409 46:924 47:167 48:20 49:21 50:504 51:522 52:1080 54:234 55:1117 56:11 57:32 58:48 59:42 60:73 61:56 62:604 63:720 64:2154 65:981 66:2317 67:1085 68:487 69:1220 70:431 71:155 72:704 74:974 75:290 76:223 77:434 78:570 79:244 80:350 81:422 82:814 83:209 84:342 85:631 86:256 87:203 88:283 89:565 90:104 91:917 92:703 93:885 94:1003 95:1281 96:286 97:45 98:387 99:270 100:22 101:21 102:482 103:1226 104:1702 105:125 106:3 107:1766 108:512 109:358 110:104 111:2799 112:1271 113:32 114:34 115:54 116:56 117:1594 118:61 119:84 120:2014 121:35 122:70 123:123 124:69 125:49 128:611 129:383 130:725 131:1196 132:548 133:218 134:503 135:137 136:739 137:606 138:994 139:454 140:757 141:428 142:1453 143:880 144:491 145:200 146:685 147:500 148:1011 149:776 150:228 151:886 152:800 153:289 154:2362 155:1021 156:2158 157:470 158:648 159:813 160:677 161:734 162:995 163:418 164:731 165:619 166:560 167:715 168:1470 169:203 170:1854 171:104 172:1560 173:783 174:276 175:91 176:661 177:969 178:655 179:899 180:51 181:2568 182:32 183:1694 184:438 185:3320 186:3428 187:1608 188:1039 189:1925 190:6308 191:539 192:5135 193:1686 194:1124 195:922 196:695 197:1104 198:2684 199:2459 200:4608 201:3682 202:1099 203:821 204:2183 205:1794 206:1449 207:1700 208:1576 209:1923 210:405 211:518 212:1006 213:884 214:977 215:43 216:2431 217:554 218:653 219:29 220:82 221:537 222:36 223:1681 End of report