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 24 May, 2025 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: 1006128 Prefixes after maximum aggregation (per Origin AS): 380587 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 481787 Number of IPv4 prefixes with a valid ROA: 556874 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 449236 Total ASes present in the Internet Routing Table: 76932 Prefixes per ASN: 13.08 Origin-only ASes present in the Internet Routing Table: 65882 Origin ASes announcing only one prefix: 26888 Transit ASes present in the Internet Routing Table: 11050 Transit-only ASes present in the Internet Routing Table: 553 Paths with bogon ASNs present in the IPv4 Routing Table: 50 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 102 Max AS path prepend of ASN ( 37447) 98 Prefixes from unregistered ASNs in the Routing Table: 982 Number of instances of unregistered ASNs: 986 Number of 32-bit ASNs allocated by the RIRs: 46510 Number of 32-bit ASNs visible in the Routing Table: 38284 Prefixes from 32-bit ASNs in the Routing Table: 206684 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 322 Number of addresses announced to Internet: 3115501632 Equivalent to 185 /8s, 178 /16s and 200 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 327112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 270449 Total APNIC prefixes after maximum aggregation: 78103 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 261514 Unique aggregates announced from the APNIC address blocks: 104580 APNIC Region origin ASes present in the Internet Routing Table: 14698 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 4455 APNIC Region transit ASes present in the Internet Routing Table: 1984 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10152 Number of APNIC addresses announced to Internet: 754165056 Equivalent to 44 /8s, 243 /16s and 165 /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: 294215 Total ARIN prefixes after maximum aggregation: 131138 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 294521 Unique aggregates announced from the ARIN address blocks: 139517 ARIN Region origin ASes present in the Internet Routing Table: 19239 ARIN Prefixes per ASN: 15.31 ARIN Region origin ASes announcing only one prefix: 7046 ARIN Region transit ASes present in the Internet Routing Table: 1986 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5213 Number of ARIN addresses announced to Internet: 1352667648 Equivalent to 80 /8s, 160 /16s and 18 /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, 393216-402332 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: 277647 Total RIPE prefixes after maximum aggregation: 134255 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 276126 Unique aggregates announced from the RIPE address blocks: 174863 RIPE Region origin ASes present in the Internet Routing Table: 28937 RIPE Prefixes per ASN: 9.54 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12459 Number of RIPE addresses announced to Internet: 731516608 Equivalent to 43 /8s, 154 /16s and 14 /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: 126224 Total LACNIC prefixes after maximum aggregation: 29778 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 122545 Unique aggregates announced from the LACNIC address blocks: 48866 LACNIC Region origin ASes present in the Internet Routing Table: 11242 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2511 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9188 Number of LACNIC addresses announced to Internet: 171851328 Equivalent to 10 /8s, 62 /16s and 62 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 36611 Total AfriNIC prefixes after maximum aggregation: 6702 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 51100 Unique aggregates announced from the AfriNIC address blocks: 13670 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 26.84 AfriNIC Region origin ASes announcing only one prefix: 667 AfriNIC Region transit ASes present in the Internet Routing Table: 377 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 102 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 Number of AfriNIC addresses announced to Internet: 105135360 Equivalent to 6 /8s, 68 /16s and 61 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 11178 8915 154 CHINAMOBILE-CN China Mobile Communication 7545 6166 843 640 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4853 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4405 347 25 FPT-AS-AP FPT Telecom Company, VN 45899 4363 1874 55 VNPT-AS-VN VNPT Corp, VN 9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN 7552 3931 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2868 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2200 1439 87 TENCENT-NET-AP Shenzhen Tencent Computer 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 13504 40827 5117 AMAZON-02, US 174 5257 8746 882 COGENT-174, US 11492 4734 314 586 CABLEONE, US 7155 3878 287 89 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 22773 3345 3015 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3230 54783 2481 DNIC-AS-00749, US 396982 3167 3852 416 GOOGLE-CLOUD-PLATFORM, US 16625 3046 1269 2234 AKAMAI-AS, US 36352 2831 231 860 AS-COLOCROSSING, US 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 7713 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3988 3395 139 AKAMAI-ASN1, NL 9009 3834 335 2053 M247, RO 12389 3075 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2415 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2390 360 580 TELLCOM-AS, TR 212238 2155 152 1584 CDNEXT, GB 8452 1611 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 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 12169 3253 582 UNINET, MX 10620 3500 480 1017 Telmex Colombia S.A., CO 13999 2511 540 365 Mega Cable, S.A. de C.V., MX 11830 1980 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1198 371 22 Telefonica del Peru S.A.A., PE 22884 1063 68 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1042 374 163 Axtel, S.A.B. de C.V., MX 26615 1034 2503 52 TIM SA, 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 1780 644 27 RAYA-AS, EG 24863 1654 389 17 LINKdotNET-AS, EG 29571 1608 102 33 ORANGE-COTE-IVOIRE, CI 36992 1432 1519 280 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1046 523 46 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36914 550 82 3 KENET-AS, KE 15399 539 57 59 WANANCHI-, KE 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 13504 40827 5117 AMAZON-02, US 8151 12169 3253 582 UNINET, MX 9808 11178 8915 154 CHINAMOBILE-CN China Mobile Communication 12479 7713 1714 148 UNI2-AS, ES 7545 6166 843 640 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5257 8746 882 COGENT-174, US 4538 4853 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4734 314 586 CABLEONE, US 18403 4405 347 25 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 12169 11587 UNINET, MX 9808 11178 11024 CHINAMOBILE-CN China Mobile Communications Grou 12479 7713 7565 UNI2-AS, ES 7545 6166 5526 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4853 4778 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4405 4380 FPT-AS-AP FPT Telecom Company, VN 174 5257 4375 COGENT-174, US 45899 4363 4308 VNPT-AS-VN VNPT Corp, VN 11492 4734 4148 CABLEONE, 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 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, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:16 /10:41 /11:92 /12:300 /13:584 /14:1227 /15:2185 /16:14013 /17:8511 /18:14467 /19:25450 /20:45919 /21:53106 /22:113944 /23:105632 /24:619901 /25:115 /26:114 /27:104 /28:17 /29:75 /30:10 /31:0 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6629 7713 UNI2-AS, ES 8151 6360 12169 UNINET, MX 11492 3531 4734 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 2836 3878 VIASAT-SP-BACKBONE, US 22773 2497 3345 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2328 13504 AMAZON-02, US 30036 2231 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2186 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2429 2:1635 3:779 4:11 5:4790 6:163 7:6 8:1614 9:1 11:172 12:1362 13:436 14:2591 15:354 16:285 17:380 18:922 20:543 21:4 22:188 23:7553 24:2806 25:2 27:2833 29:19 31:3347 32:40 33:1 34:84 35:210 36:2976 37:4663 38:10284 39:916 40:170 41:4346 42:1982 43:2693 44:383 45:18840 46:5140 47:321 49:1954 50:1883 51:590 52:1564 54:320 55:1098 56:11 57:265 58:2328 59:1359 60:1196 61:3157 62:2951 63:1811 64:5478 65:2184 66:4665 67:3071 68:1126 69:3932 70:1085 71:634 72:2841 74:2786 75:1517 76:617 77:2707 78:1892 79:1555 80:2244 81:2089 82:3134 83:1478 84:1876 85:3424 86:1165 87:2402 88:1293 89:4403 90:777 91:8390 92:2772 93:2901 94:4172 95:4336 96:1460 97:316 98:978 99:686 100:71 101:1441 102:4060 103:32682 104:5046 105:1191 106:1040 107:2649 108:1216 109:4080 110:2287 111:3361 112:2125 113:1857 114:1988 115:2232 116:2100 117:2582 118:2910 119:2024 120:2020 121:1452 122:2907 123:2515 124:1721 125:2912 126:93 128:1681 129:975 130:1334 131:1995 132:782 133:451 134:1541 135:334 136:1344 137:1262 138:2963 139:1674 140:1612 141:1506 142:1891 143:1776 144:1108 145:502 146:2207 147:2112 148:2705 149:2976 150:1229 151:1942 152:2093 153:566 154:8317 155:1985 156:3214 157:1911 158:1323 159:2449 160:3842 161:1853 162:3768 163:2181 164:1737 165:2218 166:1483 167:1890 168:4370 169:794 170:5147 171:1018 172:4371 173:3299 174:913 175:1327 176:3722 177:4926 178:3651 179:2381 180:2708 181:4094 182:3473 183:2142 184:2093 185:21670 186:5240 187:4595 188:4279 189:4400 190:9586 191:1519 192:11289 193:9498 194:7928 195:5668 196:3276 197:3674 198:6119 199:8518 200:8264 201:6407 202:10853 203:10895 204:4527 205:3620 206:4498 207:3500 208:4284 209:5171 210:4925 211:2754 212:4597 213:3746 214:1024 215:48 216:6767 217:3312 218:1415 219:583 220:2095 221:1098 222:975 223:2414 End of report