IPv4 R&E Routing Table Report 20:15 GMT Mon 02 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: 289205 Prefixes after maximum aggregation (per Origin AS): 118135 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148153 Number of IPv4 prefixes with a valid ROA: 147324 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 141670 Total ASes present in the Internet Routing Table: 20260 Prefixes per ASN: 14.27 Origin-only ASes present in the Internet Routing Table: 17464 Origin ASes announcing only one prefix: 7872 Transit ASes present in the Internet Routing Table: 2796 Transit-only ASes present in the Internet Routing Table: 693 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: 35 Max AS path prepend of ASN (273113) 30 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: 48552 Number of 32-bit ASNs visible in the Routing Table: 8195 Prefixes from 32-bit ASNs in the Routing Table: 34046 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: 93 Number of addresses announced to Internet: 1613170373 Equivalent to 96 /8s, 39 /16s and 6 /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: 93234 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43519 Total APNIC prefixes after maximum aggregation: 8851 APNIC Deaggregation factor: 4.92 Prefixes being announced from the APNIC address blocks: 40074 Unique aggregates announced from the APNIC address blocks: 9083 APNIC Region origin ASes present in the Internet Routing Table: 1281 APNIC Prefixes per ASN: 31.28 APNIC Region origin ASes announcing only one prefix: 552 APNIC Region transit ASes present in the Internet Routing Table: 223 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: 605 Number of APNIC addresses announced to Internet: 170757228 Equivalent to 10 /8s, 45 /16s and 140 /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: 126463 Total ARIN prefixes after maximum aggregation: 64722 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123992 Unique aggregates announced from the ARIN address blocks: 70383 ARIN Region origin ASes present in the Internet Routing Table: 9069 ARIN Prefixes per ASN: 13.67 ARIN Region origin ASes announcing only one prefix: 3751 ARIN Region transit ASes present in the Internet Routing Table: 845 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: 2173 Number of ARIN addresses announced to Internet: 1008093225 Equivalent to 60 /8s, 22 /16s and 72 /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: 51522 Total RIPE prefixes after maximum aggregation: 25887 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54280 Unique aggregates announced from the RIPE address blocks: 37315 RIPE Region origin ASes present in the Internet Routing Table: 4423 RIPE Prefixes per ASN: 12.27 RIPE Region origin ASes announcing only one prefix: 1871 RIPE Region transit ASes present in the Internet Routing Table: 672 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1867 Number of RIPE addresses announced to Internet: 281020112 Equivalent to 16 /8s, 192 /16s and 6 /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: 56863 Total LACNIC prefixes after maximum aggregation: 16165 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 54699 Unique aggregates announced from the LACNIC address blocks: 23782 LACNIC Region origin ASes present in the Internet Routing Table: 4386 LACNIC Prefixes per ASN: 12.47 LACNIC Region origin ASes announcing only one prefix: 1591 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: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3391 Number of LACNIC addresses announced to Internet: 107260256 Equivalent to 6 /8s, 100 /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: 10597 Total AfriNIC prefixes after maximum aggregation: 2319 AfriNIC Deaggregation factor: 4.57 Prefixes being announced from the AfriNIC address blocks: 16067 Unique aggregates announced from the AfriNIC address blocks: 7507 AfriNIC Region origin ASes present in the Internet Routing Table: 297 AfriNIC Prefixes per ASN: 54.10 AfriNIC Region origin ASes announcing only one prefix: 107 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: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159 Number of AfriNIC addresses announced to Internet: 45898496 Equivalent to 2 /8s, 188 /16s and 91 /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 13435 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2299 144 466 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 56045 909 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 902 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 772 497 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 14090 38819 5515 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 1010 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1902 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1708 1496 784 DNIC-ASBLK-00306-00371 - United States De 209 1636 4882 261 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1479 732 687 BRIGHTSPEED - Brightspeed, US 20057 1445 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 71 ALJAWWALSTC-AS, SA 20940 1243 95 1012 AKAMAI-ASN1, NL 25019 1130 1335 138 SAUDINETSTC-AS, SA 34984 978 150 735 TELLCOM-AS, TR 8452 901 1841 17 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 551 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 7252 1918 799 UNINET, MX 11830 1989 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1410 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1256 371 22 INTEGRATEL PERU S.A.A., PE 26615 1013 2486 57 TIM SA, BR 18881 915 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 682 164 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 948 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 571 82 3 KENET-AS, KE 36935 520 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 420 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 14090 38819 5515 AMAZON-02 - Amazon.com, Inc., US 9808 13435 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7252 1918 799 UNINET, MX 39891 4901 302 71 ALJAWWALSTC-AS, SA 22773 4774 3098 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2575 211 1010 AS-COLOCROSSING - HostPapa, US 17561 2299 144 466 LCS-AS-AP LARUS Limited, HK 11830 1989 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 13435 13315 CHINAMOBILE-CN China Mobile Communications Grou 8151 7252 6453 UNINET, MX 39891 4901 4830 ALJAWWALSTC-AS, SA 22773 4774 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3361 3166 CMNET-JIANGSU-AP China Mobile communications co 11830 1989 1924 Instituto Costarricense de Electricidad y Telec 17561 2299 1833 LCS-AS-AP LARUS Limited, HK 11776 1902 1689 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 23.140.216.0/24 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 23.157.217.0/24 Origin: 401541 OSIE - Osie, US 23.157.217.0/24 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 /16:7491 /17:3481 /18:4162 /19:7666 /20:13340 /21:16248 /22:28614 /23:29815 /24:176038 /25:61 /26:80 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3980 7252 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2508 14090 AMAZON-02 - Amazon.com, Inc., US 11830 1694 1989 Instituto Costarricense de Electricidad y Telecom., CR 36352 1093 2575 AS-COLOCROSSING - HostPapa, US 11664 1092 1410 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1045 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 2:462 3:978 4:5 5:1163 6:172 7:5 8:638 9:6 11:172 12:879 13:561 14:179 15:362 16:154 17:3 18:911 20:204 21:4 22:188 23:2868 24:665 27:47 29:19 31:493 32:13 34:7 35:182 36:3334 37:693 38:2363 39:841 40:251 41:1135 42:22 43:207 44:28 45:4350 46:955 47:167 48:20 49:21 50:481 51:522 52:1078 54:231 55:1130 56:11 57:32 58:48 59:42 60:73 61:58 62:597 63:722 64:2175 65:974 66:2315 67:1088 68:494 69:1214 70:434 71:154 72:702 74:976 75:292 76:225 77:403 78:592 79:228 80:354 81:428 82:810 83:214 84:343 85:643 86:238 87:205 88:282 89:695 90:104 91:891 92:683 93:878 94:973 95:1286 96:283 97:45 98:388 99:270 100:22 101:19 102:516 103:1225 104:1639 105:125 106:3 107:1738 108:516 109:366 110:104 111:2771 112:1302 113:33 114:34 115:54 116:55 117:1558 118:61 119:84 120:2010 121:36 122:72 123:124 124:68 125:49 128:613 129:366 130:709 131:1177 132:555 133:218 134:503 135:136 136:742 137:605 138:986 139:450 140:757 141:515 142:1462 143:853 144:484 145:198 146:686 147:470 148:1000 149:744 150:232 151:884 152:814 153:272 154:2361 155:1019 156:2187 157:472 158:649 159:825 160:640 161:719 162:984 163:420 164:735 165:622 166:560 167:715 168:1467 169:205 170:1805 171:102 172:1547 173:784 174:271 175:95 176:664 177:902 178:647 179:895 180:51 181:2559 182:22 183:1691 184:438 185:3351 186:3427 187:1683 188:1045 189:1966 190:6291 191:543 192:5123 193:1681 194:1110 195:911 196:700 197:1101 198:2673 199:2460 200:4587 201:3640 202:1099 203:821 204:2193 205:1791 206:1462 207:1708 208:1671 209:1914 210:437 211:518 212:1036 213:886 214:985 215:43 216:2447 217:556 218:653 219:29 220:82 221:535 222:37 223:1672 End of report