IPv4 R&E Routing Table Report 20:15 GMT Wed 29 Apr, 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: 293268 Prefixes after maximum aggregation (per Origin AS): 119237 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149993 Number of IPv4 prefixes with a valid ROA: 152328 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 140722 Total ASes present in the Internet Routing Table: 20157 Prefixes per ASN: 14.55 Origin-only ASes present in the Internet Routing Table: 17313 Origin ASes announcing only one prefix: 7727 Transit ASes present in the Internet Routing Table: 2844 Transit-only ASes present in the Internet Routing Table: 708 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: 216 Number of instances of unregistered ASNs: 245 Number of 32-bit ASNs allocated by the RIRs: 49533 Number of 32-bit ASNs visible in the Routing Table: 8248 Prefixes from 32-bit ASNs in the Routing Table: 35435 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: 100 Number of addresses announced to Internet: 1621944869 Equivalent to 96 /8s, 172 /16s and 234 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 95549 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43459 Total APNIC prefixes after maximum aggregation: 8002 APNIC Deaggregation factor: 5.43 Prefixes being announced from the APNIC address blocks: 39287 Unique aggregates announced from the APNIC address blocks: 7677 APNIC Region origin ASes present in the Internet Routing Table: 1183 APNIC Prefixes per ASN: 33.21 APNIC Region origin ASes announcing only one prefix: 463 APNIC Region transit ASes present in the Internet Routing Table: 197 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: 568 Number of APNIC addresses announced to Internet: 168585836 Equivalent to 10 /8s, 12 /16s and 106 /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: 129222 Total ARIN prefixes after maximum aggregation: 65955 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126476 Unique aggregates announced from the ARIN address blocks: 71854 ARIN Region origin ASes present in the Internet Routing Table: 8948 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3705 ARIN Region transit ASes present in the Internet Routing Table: 835 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: 2168 Number of ARIN addresses announced to Internet: 1018372649 Equivalent to 60 /8s, 179 /16s and 34 /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: 52290 Total RIPE prefixes after maximum aggregation: 26001 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55646 Unique aggregates announced from the RIPE address blocks: 38468 RIPE Region origin ASes present in the Internet Routing Table: 4471 RIPE Prefixes per ASN: 12.45 RIPE Region origin ASes announcing only one prefix: 1890 RIPE Region transit ASes present in the Internet Routing Table: 712 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: 1933 Number of RIPE addresses announced to Internet: 283352528 Equivalent to 16 /8s, 227 /16s and 157 /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: 58437 Total LACNIC prefixes after maximum aggregation: 16658 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55914 Unique aggregates announced from the LACNIC address blocks: 24459 LACNIC Region origin ASes present in the Internet Routing Table: 4456 LACNIC Prefixes per ASN: 12.55 LACNIC Region origin ASes announcing only one prefix: 1560 LACNIC Region transit ASes present in the Internet Routing Table: 900 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: 3429 Number of LACNIC addresses announced to Internet: 106693056 Equivalent to 6 /8s, 92 /16s and 1 /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: 9644 Total AfriNIC prefixes after maximum aggregation: 2452 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 15845 Unique aggregates announced from the AfriNIC address blocks: 7453 AfriNIC Region origin ASes present in the Internet Routing Table: 273 AfriNIC Prefixes per ASN: 58.04 AfriNIC Region origin ASes announcing only one prefix: 109 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: 150 Number of AfriNIC addresses announced to Internet: 44868608 Equivalent to 2 /8s, 172 /16s and 164 /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 13672 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 3035 191 508 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 834 1226 172 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 14842 41291 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2382 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2141 4335 563 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1622 4848 254 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1595 1310 736 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1458 730 664 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 1506 1384 142 SAUDINETSTC-AS, SA 20940 1271 98 1032 AKAMAI-ASN1, NL 34984 1025 140 727 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 212238 796 58 704 CDNEXT, GB 8376 671 53 30 UNASSIGNED 35819 569 567 68 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 7755 1943 799 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1518 207 1127 Telmex Colombia S.A., CO 11664 1445 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 371 22 INTEGRATEL PERU S.A.A., PE 26615 1064 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 24863 791 128 393 LINKdotNET-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 752 520 37 Vodafone-, EG 36914 554 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 434 904 248 ETISALAT-MISR, EG 2018 371 318 69 TENET-1, ZA 37693 347 599 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 14842 41291 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13672 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7755 1943 799 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 3035 191 508 LCS-AS-AP LARUS Limited, HK 36352 2382 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2141 4335 563 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 13672 13551 CHINAMOBILE-CN China Mobile Communications Grou 8151 7755 6956 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 3035 2527 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 23.157.156.0/24 Origin: 402440 UNALLOCATED 23.157.156.0/24 Transit: 60900 SSMIDGETECHNOLOGIES Ssmidge Technologies 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 /13:218 /14:579 /15:1077 /16:7467 /17:3485 /18:4225 /19:7741 /20:13306 /21:16199 /22:28862 /23:30501 /24:179050 /25:64 /26:84 /27:49 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4392 7755 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3054 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2667 14842 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1445 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1030 2382 AS-COLOCROSSING - HostPapa, US 19901 1009 1458 BRIGHTSPEED - Brightspeed, US 6167 982 2141 CELLCO-PART - Verizon Business, US 10620 947 1518 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 2:575 3:1007 4:1 5:1181 6:187 7:5 8:619 9:7 11:172 12:844 13:654 14:125 15:402 16:178 17:3 18:914 20:368 21:4 22:188 23:2914 24:788 27:22 28:1 29:19 31:458 32:13 34:9 35:177 36:3423 37:637 38:2619 39:877 40:59 41:1053 42:21 43:220 44:28 45:4471 46:902 47:187 48:67 49:25 50:477 51:540 52:1127 54:283 55:1200 56:11 57:32 58:17 59:27 60:14 61:54 62:653 63:687 64:2241 65:1013 66:2478 67:1202 68:496 69:1200 70:419 71:142 72:751 74:1022 75:263 76:221 77:510 78:561 79:252 80:349 81:429 82:844 83:213 84:395 85:638 86:249 87:236 88:279 89:630 90:124 91:932 92:644 93:936 94:986 95:1274 96:275 97:46 98:466 99:296 100:39 101:27 102:403 103:1133 104:1637 105:159 106:7 107:1793 108:529 109:383 110:62 111:2816 112:1327 113:39 114:32 115:14 116:54 117:1636 118:56 119:76 120:2047 121:37 122:45 123:107 124:59 125:19 126:1 128:511 129:386 130:723 131:1278 132:549 133:214 134:533 135:123 136:729 137:594 138:1068 139:458 140:743 141:457 142:1551 143:878 144:516 145:172 146:674 147:505 148:1020 149:807 150:217 151:950 152:853 153:454 154:2823 155:970 156:2071 157:430 158:703 159:891 160:696 161:705 162:976 163:431 164:721 165:647 166:559 167:724 168:1440 169:167 170:1872 171:104 172:1471 173:828 174:355 175:123 176:749 177:1203 178:649 179:915 180:37 181:2662 182:26 183:1732 184:441 185:3353 186:3615 187:1961 188:1011 189:2069 190:6218 191:639 192:5124 193:1709 194:1113 195:934 196:680 197:735 198:2647 199:2470 200:4390 201:3627 202:1013 203:693 204:2208 205:1827 206:1511 207:1708 208:1636 209:2026 210:353 211:517 212:1092 213:866 214:958 215:36 216:2523 217:542 218:670 219:18 220:27 221:536 222:29 223:1715 End of report