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 18 Jul, 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: 1063540 Prefixes after maximum aggregation (per Origin AS): 407700 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 525376 Number of IPv4 prefixes with a valid ROA: 719146 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 344370 Total ASes present in the Internet Routing Table: 78914 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67513 Origin ASes announcing only one prefix: 27571 Transit ASes present in the Internet Routing Table: 11401 Transit-only ASes present in the Internet Routing Table: 607 Paths with bogon ASNs present in the IPv4 Routing Table: 72 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: 1275 Number of instances of unregistered ASNs: 1305 Number of 32-bit ASNs allocated by the RIRs: 50464 Number of 32-bit ASNs visible in the Routing Table: 41148 Prefixes from 32-bit ASNs in the Routing Table: 236553 Number of bogon 32-bit ASNs visible in the Routing Table: 114 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 382 Number of addresses announced to Internet: 3122675074 Equivalent to 186 /8s, 32 /16s and 61 /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: 347704 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290207 Total APNIC prefixes after maximum aggregation: 84807 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 276107 Unique aggregates announced from the APNIC address blocks: 109540 APNIC Region origin ASes present in the Internet Routing Table: 15342 APNIC Prefixes per ASN: 18.00 APNIC Region origin ASes announcing only one prefix: 4720 APNIC Region transit ASes present in the Internet Routing Table: 2086 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10907 Number of APNIC addresses announced to Internet: 752720448 Equivalent to 44 /8s, 221 /16s and 154 /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: 308733 Total ARIN prefixes after maximum aggregation: 138031 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 307044 Unique aggregates announced from the ARIN address blocks: 149747 ARIN Region origin ASes present in the Internet Routing Table: 19470 ARIN Prefixes per ASN: 15.77 ARIN Region origin ASes announcing only one prefix: 7110 ARIN Region transit ASes present in the Internet Routing Table: 1987 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 47 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5682 Number of ARIN addresses announced to Internet: 1348389122 Equivalent to 80 /8s, 94 /16s and 201 /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: 294554 Total RIPE prefixes after maximum aggregation: 146039 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 299204 Unique aggregates announced from the RIPE address blocks: 195583 RIPE Region origin ASes present in the Internet Routing Table: 29632 RIPE Prefixes per ASN: 10.10 RIPE Region origin ASes announcing only one prefix: 12259 RIPE Region transit ASes present in the Internet Routing Table: 4112 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: 13627 Number of RIPE addresses announced to Internet: 749489792 Equivalent to 44 /8s, 172 /16s and 78 /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: 130308 Total LACNIC prefixes after maximum aggregation: 31014 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 124948 Unique aggregates announced from the LACNIC address blocks: 50481 LACNIC Region origin ASes present in the Internet Routing Table: 11451 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2766 LACNIC Region transit ASes present in the Internet Routing Table: 2634 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: 9522 Number of LACNIC addresses announced to Internet: 167858624 Equivalent to 10 /8s, 1 /16s and 81 /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: 38463 Total AfriNIC prefixes after maximum aggregation: 7096 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 55855 Unique aggregates announced from the AfriNIC address blocks: 19697 AfriNIC Region origin ASes present in the Internet Routing Table: 2047 AfriNIC Prefixes per ASN: 27.29 AfriNIC Region origin ASes announcing only one prefix: 716 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1410 Number of AfriNIC addresses announced to Internet: 103977472 Equivalent to 6 /8s, 50 /16s and 146 /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 14185 8783 166 CHINAMOBILE-CN - China Mobile Communicati 7545 5845 818 452 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5029 556 334 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4620 347 24 FPT-VN - FPT Telecom Company, VN 7552 4024 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3768 237 610 LCS-AS-AP - LARUS Limited, HK 56046 3735 908 231 CMNET-Jiangsu-AP - China Mobile communica 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3388 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2736 732 730 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 15584 41521 5626 AMAZON-02 - Amazon.com, Inc., US 22773 4787 3108 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4500 299 1194 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3834 8847 807 COGENT-174 - Cogent Communications, LLC, 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3430 4872 528 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3164 238 1099 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2666 2533 877 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 7089 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4169 375 2555 M247 - M247 Europe SRL, RO 20940 3837 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3442 246 2586 CDNEXT - Datacamp Limited, GB 12389 3136 2325 873 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2493 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1721 1852 17 TE-AS - IDDQD-AS, EG 203020 1655 253 830 HostRoyale - HostRoyale Technologies Pvt 44559 1635 102 761 ITHOSTLINE - IT HOSTLINE LTD, CY 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 12816 3258 626 AS8151 - UNINET, MX 10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2286 499 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 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 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1055 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 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1925 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1305 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1288 523 46 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 586 54 190 Africa on Cloud - Africa on Cloud, ZA 15399 554 57 62 Wananchi Group (Kenya) Limited - Wananchi 36914 546 82 3 Kenya Education Network - Kenya Education 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 15584 41521 5626 AMAZON-02 - Amazon.com, Inc., US 9808 14185 8783 166 CHINAMOBILE-CN - China Mobile Communicati 8151 12816 3258 626 AS8151 - UNINET, MX 12479 7089 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5845 818 452 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5029 556 334 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4787 3108 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4620 347 24 FPT-VN - FPT Telecom Company, VN 11492 4500 299 1194 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 14185 14019 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12816 12190 AS8151 - UNINET, MX 12479 7089 6939 UNI2-AS - Orange Espagne SA, ES 7545 5845 5393 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5029 4695 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4620 4596 FPT-VN - FPT Telecom Company, VN 22773 4787 4426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4024 4000 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.134.212.0/24 Origin: 8143 NEBUSRT - Neburst LLC, US 23.134.212.0/24 Transit: 216458 HardCore - Hardcore Communication Co., L 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 /14:1186 /15:2126 /16:13771 /17:8400 /18:13390 /19:25708 /20:46374 /21:52993 /22:113939 /23:109885 /24:674272 /25:69 /26:84 /27:110 /28:33 /29:57 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7051 12816 AS8151 - UNINET, MX 12479 6012 7089 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3422 4500 CABLEONE - CABLE ONE, INC., US 22773 3055 4787 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2943 15584 AMAZON-02 - Amazon.com, Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2245 3441 AS10620 - Telmex Colombia S.A., CO 30036 2216 2562 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) ---------------------------------------------- 1:2585 2:2304 3:1024 4:7 5:5247 6:206 7:6 8:1392 9:77 11:172 12:1091 13:791 14:2760 15:478 16:267 17:455 18:945 20:622 21:4 22:188 23:8543 24:2772 25:2 27:2867 28:6 29:19 31:3823 32:37 34:92 35:290 36:4853 37:4439 38:11164 39:1375 40:432 41:4651 42:2215 43:3421 44:464 45:20095 46:4973 47:486 48:168 49:2280 50:2012 51:862 52:1367 54:303 55:1164 56:11 57:331 58:2387 59:1475 60:1216 61:3263 62:3165 63:1741 64:6542 65:2151 66:6129 67:3312 68:1296 69:4079 70:1045 71:604 72:3260 74:3069 75:1512 76:592 77:2911 78:2107 79:1888 80:2381 81:2288 82:4250 83:1486 84:2168 85:3919 86:1093 87:2900 88:1318 89:4814 90:786 91:8506 92:2774 93:3046 94:4447 95:4710 96:1450 97:308 98:929 99:966 100:72 101:1368 102:4905 103:32708 104:5624 105:1107 106:904 107:2941 108:1328 109:3910 110:2286 111:4215 112:3119 113:1941 114:2516 115:2318 116:2094 117:3676 118:3008 119:2167 120:2811 121:1653 122:3065 123:2299 124:1803 125:2990 126:158 128:1573 129:975 130:1737 131:2559 132:891 133:488 134:1757 135:648 136:1539 137:1396 138:3461 139:1861 140:1891 141:1735 142:2630 143:2123 144:1844 145:674 146:2198 147:2314 148:2805 149:3385 150:1378 151:2962 152:2424 153:1974 154:10075 155:2372 156:4678 157:2459 158:1609 159:2867 160:3897 161:2043 162:4179 163:2674 164:2387 165:2778 166:1303 167:2362 168:4219 169:903 170:5626 171:1133 172:4929 173:3475 174:884 175:1405 176:4045 177:5188 178:4497 179:2519 180:3248 181:4754 182:4030 183:2839 184:2048 185:21949 186:6737 187:5504 188:4749 189:4637 190:9985 191:1794 192:11833 193:9637 194:7964 195:5919 196:3470 197:3127 198:6177 199:6095 200:8428 201:6647 202:10790 203:10640 204:4718 205:3725 206:4475 207:3933 208:4357 209:5425 210:4757 211:2731 212:5213 213:4116 214:1026 215:47 216:7322 217:3748 218:1902 219:446 220:2291 221:1343 222:949 223:3612 End of report