IPv4 R&E Routing Table Report 20:15 GMT Sun 03 May, 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: 292616 Prefixes after maximum aggregation (per Origin AS): 118587 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 148816 Number of IPv4 prefixes with a valid ROA: 152054 Number of IPv4 prefixes with an invalid ROA: 217 Number of IPv4 prefixes with no ROA: 140345 Total ASes present in the Internet Routing Table: 20165 Prefixes per ASN: 14.51 Origin-only ASes present in the Internet Routing Table: 17320 Origin ASes announcing only one prefix: 7737 Transit ASes present in the Internet Routing Table: 2845 Transit-only ASes present in the Internet Routing Table: 704 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 211 Number of instances of unregistered ASNs: 240 Number of 32-bit ASNs allocated by the RIRs: 49616 Number of 32-bit ASNs visible in the Routing Table: 8309 Prefixes from 32-bit ASNs in the Routing Table: 35606 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 87 Number of addresses announced to Internet: 1624908069 Equivalent to 96 /8s, 218 /16s and 33 /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: 95124 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42906 Total APNIC prefixes after maximum aggregation: 7931 APNIC Deaggregation factor: 5.41 Prefixes being announced from the APNIC address blocks: 39306 Unique aggregates announced from the APNIC address blocks: 7691 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Prefixes per ASN: 33.03 APNIC Region origin ASes announcing only one prefix: 471 APNIC Region transit ASes present in the Internet Routing Table: 196 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 573 Number of APNIC addresses announced to Internet: 168602476 Equivalent to 10 /8s, 12 /16s and 171 /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: 128742 Total ARIN prefixes after maximum aggregation: 65604 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126032 Unique aggregates announced from the ARIN address blocks: 71488 ARIN Region origin ASes present in the Internet Routing Table: 8918 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3690 ARIN Region transit ASes present in the Internet Routing Table: 836 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: 2166 Number of ARIN addresses announced to Internet: 1019696937 Equivalent to 60 /8s, 199 /16s and 87 /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, 393216-404380 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: 52555 Total RIPE prefixes after maximum aggregation: 26043 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55694 Unique aggregates announced from the RIPE address blocks: 38515 RIPE Region origin ASes present in the Internet Routing Table: 4472 RIPE Prefixes per ASN: 12.45 RIPE Region origin ASes announcing only one prefix: 1883 RIPE Region transit ASes present in the Internet Routing Table: 705 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1943 Number of RIPE addresses announced to Internet: 283313360 Equivalent to 16 /8s, 227 /16s and 4 /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: 58466 Total LACNIC prefixes after maximum aggregation: 16467 LACNIC Deaggregation factor: 3.55 Prefixes being announced from the LACNIC address blocks: 55876 Unique aggregates announced from the LACNIC address blocks: 24195 LACNIC Region origin ASes present in the Internet Routing Table: 4501 LACNIC Prefixes per ASN: 12.41 LACNIC Region origin ASes announcing only one prefix: 1585 LACNIC Region transit ASes present in the Internet Routing Table: 912 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: 3483 Number of LACNIC addresses announced to Internet: 108099520 Equivalent to 6 /8s, 113 /16s and 119 /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: 9736 Total AfriNIC prefixes after maximum aggregation: 2378 AfriNIC Deaggregation factor: 4.09 Prefixes being announced from the AfriNIC address blocks: 15621 Unique aggregates announced from the AfriNIC address blocks: 6851 AfriNIC Region origin ASes present in the Internet Routing Table: 265 AfriNIC Prefixes per ASN: 58.95 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 144 Number of AfriNIC addresses announced to Internet: 45127680 Equivalent to 2 /8s, 176 /16s and 152 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2492 157 445 LCS-AS-AP LARUS Limited, HK 56041 1820 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1073 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 171 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14838 41289 5688 AMAZON-02 - Amazon.com, Inc., US 22773 4772 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2147 4358 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1620 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1511 1244 723 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1451 728 659 BRIGHTSPEED - Brightspeed, US 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1498 1384 141 SAUDINETSTC-AS, SA 20940 1236 95 1011 AKAMAI-ASN1, NL 8452 1127 1841 19 TE-AS TE-AS, EG 34984 1016 139 727 TELLCOM-AS, TR 3215 903 4816 310 France Telecom - Orange, FR 212238 795 58 703 CDNEXT, GB 8376 671 53 30 UNASSIGNED 35819 591 581 78 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE 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 7748 1931 795 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1444 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 379 23 INTEGRATEL PERU S.A.A., PE 26615 1063 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 843 140 44 ENTEL CHILE S.A., CL 12252 669 164 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 1516 553 29 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 765 520 37 Vodafone-, EG 24863 730 113 363 LINKdotNET-AS, EG 36914 550 82 3 KENET-AS, KE 36992 540 999 252 ETISALAT-MISR, EG 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 2018 373 318 69 TENET-1, ZA 37693 349 599 43 TUNISIANA, TN 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 14838 41289 5688 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7748 1931 795 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4772 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 17561 2492 157 445 LCS-AS-AP LARUS Limited, HK 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2147 4358 561 CELLCO-PART - Verizon Business, US 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 13671 13550 CHINAMOBILE-CN China Mobile Communications Grou 8151 7748 6953 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4772 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2492 2047 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1820 1741 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /11:55 /12:160 /13:220 /14:584 /15:1084 /16:7480 /17:3507 /18:4290 /19:7814 /20:13341 /21:16283 /22:28848 /23:30451 /24:178158 /25:64 /26:84 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4390 7748 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3054 4772 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2671 14838 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1139 1444 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2383 AS-COLOCROSSING - HostPapa, US 19901 1003 1451 BRIGHTSPEED - Brightspeed, US 6167 984 2147 CELLCO-PART - Verizon Business, US 209 944 1620 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:79 2:562 3:1008 4:1 5:1174 6:186 7:5 8:612 9:7 11:172 12:841 13:639 14:125 15:404 16:182 17:3 18:911 20:369 21:4 22:188 23:2910 24:790 27:22 28:1 29:19 31:453 32:13 34:12 35:178 36:3427 37:644 38:2622 39:877 40:59 41:1073 42:20 43:217 44:27 45:4402 46:900 47:187 48:67 49:23 50:475 51:544 52:1125 54:283 55:1200 56:11 57:30 58:17 59:27 60:14 61:55 62:656 63:679 64:2236 65:1021 66:2479 67:1199 68:497 69:1196 70:420 71:140 72:750 74:1027 75:262 76:222 77:509 78:563 79:251 80:345 81:421 82:829 83:212 84:395 85:635 86:248 87:234 88:279 89:627 90:127 91:936 92:650 93:929 94:988 95:1267 96:272 97:46 98:468 99:296 100:39 101:26 102:398 103:1139 104:1637 105:160 106:7 107:1778 108:529 109:378 110:62 111:2815 112:1327 113:40 114:32 115:16 116:54 117:1638 118:54 119:76 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:506 129:387 130:720 131:1281 132:556 133:214 134:530 135:122 136:678 137:592 138:1081 139:457 140:741 141:456 142:1551 143:840 144:521 145:171 146:676 147:496 148:1002 149:816 150:222 151:919 152:852 153:534 154:2559 155:967 156:1890 157:430 158:690 159:897 160:698 161:704 162:983 163:432 164:725 165:639 166:556 167:730 168:1488 169:165 170:1855 171:104 172:1455 173:804 174:353 175:125 176:748 177:1176 178:650 179:954 180:37 181:2612 182:26 183:1731 184:441 185:3339 186:3666 187:1818 188:1021 189:2066 190:6196 191:619 192:5104 193:1711 194:1116 195:936 196:676 197:690 198:2646 199:2467 200:4422 201:3634 202:1012 203:702 204:2196 205:1823 206:1506 207:1704 208:1627 209:2021 210:351 211:518 212:1090 213:859 214:957 215:36 216:2526 217:540 218:669 219:18 220:27 221:536 222:28 223:1713 End of report