IPv4 R&E Routing Table Report 20:15 GMT Sat 18 Jul, 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: 292177 Prefixes after maximum aggregation (per Origin AS): 119592 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 150505 Number of IPv4 prefixes with a valid ROA: 185325 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 106649 Total ASes present in the Internet Routing Table: 19984 Prefixes per ASN: 14.62 Origin-only ASes present in the Internet Routing Table: 17165 Origin ASes announcing only one prefix: 7723 Transit ASes present in the Internet Routing Table: 2819 Transit-only ASes present in the Internet Routing Table: 699 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 46 Max AS path prepend of ASN ( 30075) 41 Prefixes from unregistered ASNs in the Routing Table: 263 Number of instances of unregistered ASNs: 292 Number of 32-bit ASNs allocated by the RIRs: 50464 Number of 32-bit ASNs visible in the Routing Table: 8257 Prefixes from 32-bit ASNs in the Routing Table: 36010 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 123 Number of addresses announced to Internet: 1630545413 Equivalent to 97 /8s, 48 /16s and 38 /24s Percentage of available address space announced: 44.0 Percentage of allocated address space announced: 44.0 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: 92736 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44943 Total APNIC prefixes after maximum aggregation: 8680 APNIC Deaggregation factor: 5.18 Prefixes being announced from the APNIC address blocks: 40549 Unique aggregates announced from the APNIC address blocks: 8394 APNIC Region origin ASes present in the Internet Routing Table: 1234 APNIC Prefixes per ASN: 32.86 APNIC Region origin ASes announcing only one prefix: 482 APNIC Region transit ASes present in the Internet Routing Table: 215 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 613 Number of APNIC addresses announced to Internet: 169686380 Equivalent to 10 /8s, 29 /16s and 53 /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: 129593 Total ARIN prefixes after maximum aggregation: 65918 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126884 Unique aggregates announced from the ARIN address blocks: 71475 ARIN Region origin ASes present in the Internet Routing Table: 8905 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 3699 ARIN Region transit ASes present in the Internet Routing Table: 841 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2198 Number of ARIN addresses announced to Internet: 1018495753 Equivalent to 60 /8s, 181 /16s and 3 /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: 50625 Total RIPE prefixes after maximum aggregation: 25633 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 53942 Unique aggregates announced from the RIPE address blocks: 37644 RIPE Region origin ASes present in the Internet Routing Table: 4459 RIPE Prefixes per ASN: 12.10 RIPE Region origin ASes announcing only one prefix: 1936 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1980 Number of RIPE addresses announced to Internet: 295485392 Equivalent to 17 /8s, 156 /16s and 191 /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 196608-219547 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: 56810 Total LACNIC prefixes after maximum aggregation: 16720 LACNIC Deaggregation factor: 3.40 Prefixes being announced from the LACNIC address blocks: 54024 Unique aggregates announced from the LACNIC address blocks: 24537 LACNIC Region origin ASes present in the Internet Routing Table: 4290 LACNIC Prefixes per ASN: 12.59 LACNIC Region origin ASes announcing only one prefix: 1498 LACNIC Region transit ASes present in the Internet Routing Table: 859 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: 3312 Number of LACNIC addresses announced to Internet: 103467712 Equivalent to 6 /8s, 42 /16s and 202 /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: 9943 Total AfriNIC prefixes after maximum aggregation: 2463 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 16655 Unique aggregates announced from the AfriNIC address blocks: 8358 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 59.70 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 73 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 154 Number of AfriNIC addresses announced to Internet: 43279104 Equivalent to 2 /8s, 148 /16s and 99 /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 13823 8737 120 CHINAMOBILE-CN - China Mobile Communicati 56046 3508 872 223 CMNET-Jiangsu-AP - China Mobile communica 17561 3315 208 601 LCS-AS-AP - LARUS Limited, HK 56041 1919 715 83 CMNET-Zhejiang-AP - China Mobile communic 56047 1719 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1099 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 24547 952 177 50 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 919 481 58 CMNET-Jiangxi-AP - China Mobile communica 45102 897 1276 182 ALIBABA-CN-NET - Alibaba (US) Technology 24445 896 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun 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 15578 41521 5625 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3104 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2274 189 1352 AS-COLOCROSSING - HostPapa, US 6167 2163 4387 557 CELLCO-PART - Verizon Business, US 11776 1901 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1593 4846 246 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 20057 1469 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1392 740 644 BRIGHTSPEED - Brightspeed, US 577 1371 852 320 BACOM - Bell Canada, CA 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 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 25019 1484 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1227 94 1010 AKAMAI-ASN1 - Akamai International B.V., 212238 975 68 867 CDNEXT - Datacamp Limited, GB 8452 942 1841 19 TE-AS - IDDQD-AS, EG 3215 876 4814 340 AS3215 - Orange S.A., FR 34984 759 111 549 TELLCOM-AS - Superonline Iletisim Hizmetl 8376 714 53 32 UNSPECIFIED - Jordan Data Communications 5511 592 108 509 Opentransit - Orange S.A., FR 51167 568 133 250 CONTABO - Contabo GmbH, 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 7154 1934 805 AS8151 - UNINET, MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 10620 1663 224 1195 AS10620 - Telmex Colombia S.A., CO 11664 1500 277 34 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1212 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1049 2384 95 AS26615 - TIM S/A, BR 18881 979 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 52468 736 46 245 AS52468 - UFINET PANAMA S.A., PA 12252 659 164 24 AS12252 - 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 1474 525 30 Vodafone Data - Vodafone Data, EG 29571 787 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 24863 779 170 346 Link Egypt (Link.NET) - Link Egypt (Link. 36935 776 518 22 Vodafone Data - Vodafone Data, EG 37069 699 1100 11 The Egyptian Company for Mobile Services 36914 552 82 3 Kenya Education Network - Kenya Education 36903 537 239 349 Office National des Postes et Telecommuni 36992 456 579 345 ETISALAT MISR - ETISALAT MISR, EG 2018 376 318 69 TENET (The UNINET Project) - TENET (The U 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, 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 15578 41521 5625 AMAZON-02 - Amazon.com, Inc., US 9808 13823 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 7154 1934 805 AS8151 - UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4782 3104 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3508 872 223 CMNET-Jiangsu-AP - China Mobile communica 17561 3315 208 601 LCS-AS-AP - LARUS Limited, HK 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2274 189 1352 AS-COLOCROSSING - HostPapa, US 6167 2163 4387 557 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 13823 13703 CHINAMOBILE-CN - China Mobile Communications Gr 8151 7154 6349 AS8151 - UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 4782 4422 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3508 3285 CMNET-Jiangsu-AP - China Mobile communications 17561 3315 2714 LCS-AS-AP - LARUS Limited, HK 11830 1910 1845 AS11830 - Instituto Costarricense de Electricid 56041 1919 1836 CMNET-Zhejiang-AP - China Mobile communications 11776 1901 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 CMNET-Hunan-AP - China Mobile communications co 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 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 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 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2 - Heymman Servers Corporation, 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, 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 /11:57 /12:162 /13:223 /14:580 /15:1098 /16:7530 /17:3441 /18:4188 /19:7758 /20:12722 /21:15965 /22:27673 /23:30200 /24:180230 /25:66 /26:85 /27:49 /28:20 /29:7 /30:11 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4007 7154 AS8151 - UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3055 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2940 15578 AMAZON-02 - Amazon.com, Inc., US 11830 1629 1910 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1192 1500 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1049 1663 AS10620 - Telmex Colombia S.A., CO 6167 999 2163 CELLCO-PART - Verizon Business, US 19901 947 1392 BRIGHTSPEED - Brightspeed, US 209 926 1593 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) ---------------------------------------------- 1:80 2:547 3:1022 4:1 5:1044 6:198 7:5 8:577 9:7 11:171 12:783 13:698 14:174 15:411 16:227 17:4 18:939 20:375 21:4 22:188 23:2967 24:802 27:41 28:6 29:19 31:488 32:13 34:10 35:179 36:3462 37:659 38:2729 39:965 40:57 41:1099 42:21 43:231 44:24 45:4463 46:935 47:232 48:108 49:28 50:483 51:558 52:1171 54:254 55:1165 56:11 57:34 58:18 59:31 60:72 61:69 62:647 63:749 64:2300 65:1032 66:2376 67:1193 68:490 69:1160 70:422 71:139 72:714 74:983 75:254 76:217 77:425 78:522 79:349 80:276 81:414 82:809 83:204 84:379 85:580 86:269 87:274 88:263 89:618 90:122 91:856 92:565 93:964 94:989 95:1247 96:296 97:45 98:462 99:329 100:42 101:33 102:450 103:1143 104:1642 105:185 106:7 107:1603 108:586 109:363 110:112 111:2876 112:1346 113:35 114:32 115:61 116:50 117:1690 118:59 119:78 120:2107 121:36 122:52 123:128 124:75 125:18 126:1 128:508 129:387 130:718 131:1269 132:542 133:214 134:568 135:139 136:654 137:635 138:1080 139:478 140:751 141:471 142:1577 143:877 144:539 145:204 146:648 147:507 148:1107 149:829 150:362 151:878 152:830 153:637 154:3022 155:983 156:2383 157:424 158:681 159:932 160:940 161:759 162:942 163:431 164:646 165:620 166:547 167:728 168:1500 169:171 170:1773 171:94 172:1495 173:815 174:359 175:111 176:754 177:1011 178:530 179:926 180:37 181:2800 182:31 183:1791 184:422 185:3263 186:3476 187:1979 188:1025 189:1967 190:6264 191:611 192:5216 193:1736 194:1147 195:916 196:697 197:681 198:2613 199:2494 200:4334 201:3557 202:1043 203:801 204:2101 205:2057 206:1491 207:1742 208:1544 209:1952 210:361 211:524 212:1026 213:790 214:982 215:41 216:2496 217:540 218:678 219:18 220:82 221:545 222:32 223:1739 End of report