IPv4 R&E Routing Table Report 20:15 GMT Tue 03 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: 288592 Prefixes after maximum aggregation (per Origin AS): 118354 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 148238 Number of IPv4 prefixes with a valid ROA: 146678 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 141703 Total ASes present in the Internet Routing Table: 20310 Prefixes per ASN: 14.21 Origin-only ASes present in the Internet Routing Table: 17505 Origin ASes announcing only one prefix: 7914 Transit ASes present in the Internet Routing Table: 2805 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: 31 Max AS path prepend of ASN (264732) 23 Prefixes from unregistered ASNs in the Routing Table: 236 Number of instances of unregistered ASNs: 265 Number of 32-bit ASNs allocated by the RIRs: 48558 Number of 32-bit ASNs visible in the Routing Table: 8226 Prefixes from 32-bit ASNs in the Routing Table: 34093 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: 89 Number of addresses announced to Internet: 1612683717 Equivalent to 96 /8s, 31 /16s and 153 /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: 92730 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43569 Total APNIC prefixes after maximum aggregation: 8858 APNIC Deaggregation factor: 4.92 Prefixes being announced from the APNIC address blocks: 40083 Unique aggregates announced from the APNIC address blocks: 9111 APNIC Region origin ASes present in the Internet Routing Table: 1283 APNIC Prefixes per ASN: 31.24 APNIC Region origin ASes announcing only one prefix: 555 APNIC Region transit ASes present in the Internet Routing Table: 224 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: 610 Number of APNIC addresses announced to Internet: 170792812 Equivalent to 10 /8s, 46 /16s and 23 /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: 126483 Total ARIN prefixes after maximum aggregation: 64797 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124060 Unique aggregates announced from the ARIN address blocks: 70455 ARIN Region origin ASes present in the Internet Routing Table: 9093 ARIN Prefixes per ASN: 13.64 ARIN Region origin ASes announcing only one prefix: 3774 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2182 Number of ARIN addresses announced to Internet: 1008394793 Equivalent to 60 /8s, 26 /16s and 226 /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: 51307 Total RIPE prefixes after maximum aggregation: 25835 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 53992 Unique aggregates announced from the RIPE address blocks: 37119 RIPE Region origin ASes present in the Internet Routing Table: 4410 RIPE Prefixes per ASN: 12.24 RIPE Region origin ASes announcing only one prefix: 1867 RIPE Region transit ASes present in the Internet Routing Table: 668 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: 1857 Number of RIPE addresses announced to Internet: 280675792 Equivalent to 16 /8s, 186 /16s and 197 /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: 56472 Total LACNIC prefixes after maximum aggregation: 16368 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 54341 Unique aggregates announced from the LACNIC address blocks: 24077 LACNIC Region origin ASes present in the Internet Routing Table: 4409 LACNIC Prefixes per ASN: 12.33 LACNIC Region origin ASes announcing only one prefix: 1603 LACNIC Region transit ASes present in the Internet Routing Table: 868 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: 3414 Number of LACNIC addresses announced to Internet: 106731360 Equivalent to 6 /8s, 92 /16s and 151 /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: 10525 Total AfriNIC prefixes after maximum aggregation: 2306 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 16027 Unique aggregates announced from the AfriNIC address blocks: 7396 AfriNIC Region origin ASes present in the Internet Routing Table: 300 AfriNIC Prefixes per ASN: 53.42 AfriNIC Region origin ASes announcing only one prefix: 115 AfriNIC Region transit ASes present in the Internet Routing Table: 84 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: 163 Number of AfriNIC addresses announced to Internet: 45952512 Equivalent to 2 /8s, 189 /16s and 46 /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 3361 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 56045 909 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 902 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 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 14112 38820 5520 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 2576 211 1007 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1902 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1706 1496 787 DNIC-ASBLK-00306-00371 - United States De 209 1636 4882 261 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1480 732 689 BRIGHTSPEED - Brightspeed, US 20057 1446 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 1244 95 1011 AKAMAI-ASN1, NL 25019 1169 1335 138 SAUDINETSTC-AS, SA 34984 978 150 735 TELLCOM-AS, TR 8452 910 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 550 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 6773 1815 790 UNINET, MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1411 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 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 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 948 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 566 82 3 KENET-AS, KE 36935 520 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 412 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 14112 38820 5520 AMAZON-02 - Amazon.com, Inc., US 9808 13444 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6773 1815 790 UNINET, MX 39891 4969 306 72 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 2576 211 1007 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 6773 5983 UNINET, MX 39891 4969 4897 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 1990 1925 Instituto Costarricense de Electricidad y Telec 17561 2298 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 23.137.48.0/24 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 /16:7492 /17:3477 /18:4166 /19:7636 /20:13258 /21:16198 /22:28584 /23:29634 /24:175797 /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 3671 6773 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2508 14112 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 36352 1094 2576 AS-COLOCROSSING - HostPapa, US 11664 1092 1411 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1045 1480 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 3:978 4:5 5:1166 6:172 7:5 8:638 9:6 11:172 12:879 13:565 14:178 15:362 16:157 17:3 18:911 20:204 21:4 22:188 23:2868 24:664 27:51 29:19 31:491 32:13 34:6 35:182 36:3340 37:621 38:2367 39:844 40:251 41:1090 42:22 43:207 44:29 45:4358 46:935 47:168 48:20 49:21 50:492 51:522 52:1081 54:231 55:1118 56:11 57:31 58:44 59:42 60:73 61:58 62:593 63:720 64:2178 65:977 66:2322 67:1087 68:496 69:1215 70:434 71:154 72:703 74:976 75:292 76:225 77:429 78:592 79:227 80:351 81:426 82:806 83:210 84:337 85:652 86:236 87:205 88:277 89:695 90:104 91:888 92:680 93:883 94:963 95:1294 96:286 97:45 98:387 99:267 100:22 101:20 102:531 103:1229 104:1703 105:125 106:3 107:1699 108:516 109:363 110:104 111:2785 112:1304 113:32 114:34 115:54 116:55 117:1558 118:62 119:86 120:2010 121:35 122:72 123:125 124:68 125:49 128:613 129:370 130:724 131:1185 132:554 133:218 134:503 135:136 136:739 137:607 138:994 139:449 140:756 141:511 142:1461 143:858 144:486 145:198 146:685 147:492 148:997 149:738 150:231 151:884 152:815 153:284 154:2362 155:1021 156:2162 157:470 158:650 159:825 160:640 161:722 162:987 163:418 164:731 165:624 166:560 167:713 168:1465 169:203 170:1817 171:104 172:1556 173:785 174:271 175:96 176:658 177:929 178:644 179:896 180:51 181:2569 182:22 183:1691 184:438 185:3347 186:3436 187:1595 188:1052 189:1896 190:6290 191:538 192:5097 193:1686 194:1096 195:914 196:684 197:1117 198:2679 199:2452 200:4572 201:3601 202:1052 203:821 204:2190 205:1787 206:1461 207:1707 208:1679 209:1904 210:439 211:518 212:1035 213:887 214:985 215:43 216:2450 217:547 218:653 219:29 220:82 221:535 222:42 223:1673 End of report