This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 27 Jun, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1060351 Prefixes after maximum aggregation (per Origin AS): 407734 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 523695 Number of IPv4 prefixes with a valid ROA: 710914 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 349413 Total ASes present in the Internet Routing Table: 78821 Prefixes per ASN: 13.45 Origin-only ASes present in the Internet Routing Table: 67450 Origin ASes announcing only one prefix: 27538 Transit ASes present in the Internet Routing Table: 11371 Transit-only ASes present in the Internet Routing Table: 604 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1235 Number of instances of unregistered ASNs: 1265 Number of 32-bit ASNs allocated by the RIRs: 50225 Number of 32-bit ASNs visible in the Routing Table: 41006 Prefixes from 32-bit ASNs in the Routing Table: 234847 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 369 Number of addresses announced to Internet: 3122491010 Equivalent to 186 /8s, 29 /16s and 110 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 346479 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289984 Total APNIC prefixes after maximum aggregation: 85444 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 275932 Unique aggregates announced from the APNIC address blocks: 109868 APNIC Region origin ASes present in the Internet Routing Table: 15321 APNIC Prefixes per ASN: 18.01 APNIC Region origin ASes announcing only one prefix: 4715 APNIC Region transit ASes present in the Internet Routing Table: 2078 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 58 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10879 Number of APNIC addresses announced to Internet: 752138304 Equivalent to 44 /8s, 212 /16s and 184 /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: 307327 Total ARIN prefixes after maximum aggregation: 137684 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 306480 Unique aggregates announced from the ARIN address blocks: 149077 ARIN Region origin ASes present in the Internet Routing Table: 19458 ARIN Prefixes per ASN: 15.75 ARIN Region origin ASes announcing only one prefix: 7114 ARIN Region transit ASes present in the Internet Routing Table: 1979 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5643 Number of ARIN addresses announced to Internet: 1348640770 Equivalent to 80 /8s, 98 /16s and 160 /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: 293351 Total RIPE prefixes after maximum aggregation: 145910 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297109 Unique aggregates announced from the RIPE address blocks: 194394 RIPE Region origin ASes present in the Internet Routing Table: 29617 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12252 RIPE Region transit ASes present in the Internet Routing Table: 4102 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13588 Number of RIPE addresses announced to Internet: 749506176 Equivalent to 44 /8s, 172 /16s and 142 /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: 130058 Total LACNIC prefixes after maximum aggregation: 30904 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 124794 Unique aggregates announced from the LACNIC address blocks: 50412 LACNIC Region origin ASes present in the Internet Routing Table: 11423 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2747 LACNIC Region transit ASes present in the Internet Routing Table: 2614 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9495 Number of LACNIC addresses announced to Internet: 167708352 Equivalent to 9 /8s, 255 /16s and 6 /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: 38396 Total AfriNIC prefixes after maximum aggregation: 7109 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 55667 Unique aggregates announced from the AfriNIC address blocks: 19631 AfriNIC Region origin ASes present in the Internet Routing Table: 2039 AfriNIC Prefixes per ASN: 27.30 AfriNIC Region origin ASes announcing only one prefix: 710 AfriNIC Region transit ASes present in the Internet Routing Table: 398 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1401 Number of AfriNIC addresses announced to Internet: 104263168 Equivalent to 6 /8s, 54 /16s and 238 /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 14165 8783 165 CHINAMOBILE-CN - China Mobile Communicati 7545 5856 822 465 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4972 553 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4624 347 24 FPT-VN - FPT Telecom Company, VN 7552 4057 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3719 908 230 CMNET-Jiangsu-AP - China Mobile communica 7713 3700 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3417 215 596 LCS-AS-AP - LARUS Limited, HK 45899 3383 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2729 731 733 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15470 41509 5623 AMAZON-02 - Amazon.com, Inc., US 22773 4775 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4578 304 1120 CABLEONE - CABLE ONE, INC., US 174 3916 8848 816 COGENT-174 - Cogent Communications, LLC, 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3407 4871 523 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3134 236 1067 AS-COLOCROSSING - HostPapa, US 7029 2649 2536 889 WINDSTREAM - Windstream Communications LL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7067 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4974 306 71 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4145 373 2522 M247 - M247 Europe SRL, RO 20940 3818 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3370 240 2523 CDNEXT - Datacamp Limited, GB 12389 3150 2320 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2474 366 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1713 1852 17 TE-AS - IDDQD-AS, EG 44559 1702 106 819 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1657 253 829 HostRoyale - HostRoyale Technologies Pvt Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12837 3265 624 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2305 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1904 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1373 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1212 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1094 69 379 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 2385 96 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1927 1543 332 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1297 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1253 521 43 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 615 56 201 Africa on Cloud - Africa on Cloud, ZA 36914 553 82 3 Kenya Education Network - Kenya Education 15399 550 57 59 Wananchi Group (Kenya) Limited - Wananchi Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15470 41509 5623 AMAZON-02 - Amazon.com, Inc., US 9808 14165 8783 165 CHINAMOBILE-CN - China Mobile Communicati 8151 12837 3265 624 AS8151 - UNINET, MX 12479 7067 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5856 822 465 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4974 306 71 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4972 553 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4775 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4624 347 24 FPT-VN - FPT Telecom Company, VN 11492 4578 304 1120 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14165 14000 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12837 12213 AS8151 - UNINET, MX 12479 7067 6917 UNI2-AS - Orange Espagne SA, ES 7545 5856 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4974 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4972 4642 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4624 4600 FPT-VN - FPT Telecom Company, VN 22773 4775 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4057 4033 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 205446 UNALLOCATED 5.59.192.0/24 206818 zilean - ZILEAN SOLUTIO 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:39 /11:97 /12:300 /13:590 /14:1189 /15:2123 /16:13764 /17:8397 /18:13376 /19:25678 /20:46317 /21:52838 /22:113973 /23:109523 /24:671682 /25:67 /26:83 /27:108 /28:32 /29:57 /30:8 /31:1 /32:79 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7038 12837 AS8151 - UNINET, MX 12479 5997 7067 UNI2-AS - Orange Espagne SA, ES 39891 3659 4974 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3463 4578 CABLEONE - CABLE ONE, INC., US 22773 3054 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2846 15470 AMAZON-02 - Amazon.com, Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2205 2548 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2572 2:2040 3:1025 4:7 5:5193 6:204 7:6 8:1461 9:75 11:172 12:1115 13:756 14:2734 15:474 16:337 17:450 18:947 20:621 21:4 22:188 23:8438 24:2770 25:2 27:2815 28:1 29:19 31:3826 32:37 34:91 35:292 36:4815 37:4438 38:11193 39:1330 40:442 41:4643 42:2190 43:3355 44:466 45:19876 46:4963 47:484 48:168 49:2335 50:2001 51:915 52:1360 54:304 55:1181 56:11 57:326 58:2756 59:1612 60:1178 61:3215 62:3176 63:1691 64:6505 65:2156 66:6085 67:3314 68:1269 69:4086 70:1047 71:609 72:3236 74:3081 75:1505 76:599 77:2881 78:2116 79:1804 80:2349 81:2309 82:4310 83:1482 84:2206 85:3871 86:1093 87:2821 88:1318 89:4745 90:785 91:8454 92:2765 93:3013 94:4663 95:4692 96:1444 97:309 98:933 99:866 100:69 101:1391 102:4888 103:32566 104:5621 105:1120 106:910 107:2943 108:1321 109:3895 110:2289 111:4186 112:3110 113:2001 114:2513 115:2313 116:2102 117:3605 118:3007 119:2113 120:2788 121:1641 122:3026 123:2293 124:2008 125:3000 126:158 128:1594 129:982 130:1719 131:2499 132:896 133:487 134:1751 135:638 136:1515 137:1388 138:3417 139:1697 140:1816 141:1719 142:2596 143:2082 144:1841 145:659 146:2197 147:2274 148:2812 149:3365 150:1365 151:2958 152:2376 153:1893 154:10223 155:2355 156:4617 157:2359 158:1597 159:2882 160:3722 161:1997 162:4145 163:2630 164:2402 165:2728 166:1289 167:2355 168:4122 169:879 170:5609 171:1145 172:4867 173:3473 174:895 175:1396 176:3974 177:5172 178:4524 179:2484 180:3410 181:4725 182:4026 183:2884 184:2048 185:21896 186:6634 187:5461 188:4842 189:4640 190:10015 191:1779 192:11798 193:9637 194:7927 195:5905 196:3434 197:3149 198:6171 199:6095 200:8348 201:6611 202:10729 203:10627 204:4719 205:3737 206:4454 207:3922 208:4373 209:5403 210:4750 211:2730 212:5159 213:4103 214:1038 215:47 216:7303 217:3726 218:1812 219:443 220:2215 221:1328 222:946 223:3612 End of report