[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jul 31 21:31:23 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Thu 31 Jul, 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:                             1014511
    Prefixes after maximum aggregation (per Origin AS):          385269
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      488662
    Number of IPv4 prefixes with a valid ROA:                    568686
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         445806
Total ASes present in the Internet Routing Table:                 77215
    Prefixes per ASN:                                             13.14
Origin-only ASes present in the Internet Routing Table:           66095
Origin ASes announcing only one prefix:                           26894
Transit ASes present in the Internet Routing Table:               11120
Transit-only ASes present in the Internet Routing Table:            569
Paths with bogon ASNs present in the IPv4 Routing Table:             46
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1087
    Number of instances of unregistered ASNs:                      1121
Number of 32-bit ASNs allocated by the RIRs:                      46997
Number of 32-bit ASNs visible in the Routing Table:               38716
Prefixes from 32-bit ASNs in the Routing Table:                  209681
Number of bogon 32-bit ASNs visible in the Routing Table:            80
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            296
Number of addresses announced to Internet:                   3113122627
    Equivalent to 185 /8s, 142 /16s and 123 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      328982

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   275582
    Total APNIC prefixes after maximum aggregation:               79056
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266840
    Unique aggregates announced from the APNIC address blocks:   105451
APNIC Region origin ASes present in the Internet Routing Table:   14839
    APNIC Prefixes per ASN:                                       17.98
APNIC Region origin ASes announcing only one prefix:               4500
APNIC Region transit ASes present in the Internet Routing Table:   2003
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:  10300
Number of APNIC addresses announced to Internet:              754884672
    Equivalent to 44 /8s, 254 /16s and 160 /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:                    295294
    Total ARIN prefixes after maximum aggregation:               132284
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296417
    Unique aggregates announced from the ARIN address blocks:    141504
ARIN Region origin ASes present in the Internet Routing Table:    19256
    ARIN Prefixes per ASN:                                        15.39
ARIN Region origin ASes announcing only one prefix:                7037
ARIN Region transit ASes present in the Internet Routing Table:    1994
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:    5265
Number of ARIN addresses announced to Internet:              1349485312
    Equivalent to 80 /8s, 111 /16s and 131 /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:                    280592
    Total RIPE prefixes after maximum aggregation:               136565
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           279638
    Unique aggregates announced from the RIPE address blocks:    178254
RIPE Region origin ASes present in the Internet Routing Table:    28990
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    4027
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12614
Number of RIPE addresses announced to Internet:               732298435
    Equivalent to 43 /8s, 165 /16s and 252 /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:                  126437
    Total LACNIC prefixes after maximum aggregation:              29813
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         122719
    Unique aggregates announced from the LACNIC address blocks:   49145
LACNIC Region origin ASes present in the Internet Routing Table:  11268
    LACNIC Prefixes per ASN:                                      10.89
LACNIC Region origin ASes announcing only one prefix:              2634
LACNIC Region transit ASes present in the Internet Routing Table:  2512
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9230
Number of LACNIC addresses announced to Internet:             171194944
    Equivalent to 10 /8s, 52 /16s and 58 /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:                  35519
    Total AfriNIC prefixes after maximum aggregation:              6838
    AfriNIC Deaggregation factor:                                  5.19
Prefixes being announced from the AfriNIC address blocks:         48601
    Unique aggregates announced from the AfriNIC address blocks:  14053
AfriNIC Region origin ASes present in the Internet Routing Table:  1940
    AfriNIC Prefixes per ASN:                                     25.05
AfriNIC Region origin ASes announcing only one prefix:              687
AfriNIC Region transit ASes present in the Internet Routing Table:  388
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: 1307
Number of AfriNIC addresses announced to Internet:            105063680
    Equivalent to 6 /8s, 67 /16s and 37 /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       12527       8921     173  CHINAMOBILE-CN China Mobile Communication
  7545        6127        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4884       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4539        347      26  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4383       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3936       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3678       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        3028        832     222  CMNET-JIANGSU-AP China Mobile communicati
 24560        2914        864     510  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       13689      40975    5285  AMAZON-02, US
   174        5250       8770     859  COGENT-174, US
 11492        4826        320     606  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3339       3013     163  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3222      54766    2473  DNIC-AS-00749, US
396982        3199       3856     433  GOOGLE-CLOUD-PLATFORM, US
 16625        2945       1244    2189  AKAMAI-AS, US
  4155        2894        219    1740  USDA-1, 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        7587       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3935       3396     140  AKAMAI-ASN1, NL
  9009        3826        363    2141  M247, RO
 12389        3117       2315     869  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2317        164    1686  CDNEXT, GB
 13188        1605        100      37  TRIOLAN, UA
  8452        1583       1852      14  TE-AS TE-AS, EG

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       12322       3272     576  UNINET, MX
 10620        3481        473    1037  Telmex Colombia S.A., CO
 13999        2520        511     357  Mega Cable, S.A. de C.V., MX
 11830        1984        369      64  Instituto Costarricense de Electricidad y
 28573        1373       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1351        788     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1194        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1188        371      22  Telefonica del Peru S.A.A., PE
 22884        1072         68     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1022        373     162  Axtel, S.A.B. de C.V., MX

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        1725        660      28  RAYA-AS, EG
 29571        1604        102      51  ORANGE-COTE-IVOIRE, CI
 36992        1367       1491     365  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1232        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         914        520      43  Vodafone-, EG
 36914         573         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  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       13689      40975    5285  AMAZON-02, US
  9808       12527       8921     173  CHINAMOBILE-CN China Mobile Communication
  8151       12322       3272     576  UNINET, MX
 12479        7587       1712     148  UNI2-AS, ES
  7545        6127        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5250       8770     859  COGENT-174, US
  4538        4884       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4826        320     606  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4539        347      26  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
  9808       12527        12354  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12322        11746  UNINET, MX
 12479        7587         7439  UNI2-AS, ES
  7545        6127         5513  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4884         4809  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4539         4513  FPT-AS-AP FPT Telecom Company, VN
   174        5250         4391  COGENT-174, US
 45899        4383         4328  VNPT-AS-VN VNPT Corp, VN
 11492        4826         4220  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
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     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
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    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
    395195  UNALLOCATED  8.38.115.0/24             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
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.143.4.0/24        Origin:    401866  MASTER-IT-SUPPORT, PR
23.143.4.0/24       Transit:     46962  HRCOM, PR
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, 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      /10:41      /11:92      /12:299     
/13:582     /14:1214    /15:2172    /16:13905   /17:8456    /18:14292   
/19:25404   /20:45948   /21:53195   /22:114049  /23:106233  /24:627825  
/25:138     /26:114     /27:116     /28:20      /29:70      /30:10      
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
  8151        6541       12322  UNINET, MX
 12479        6538        7587  UNI2-AS, ES
 11492        3618        4826  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2493        3339  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2361       13689  AMAZON-02, US
 30036        2291        2632  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2197        3481  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)
----------------------------------------------

   1:2486      2:1588      3:857       4:12        5:4823      6:163    
   7:6         8:1579      9:1        11:172      12:1340     13:457    
  14:2642     15:368      16:286      17:381      18:898      20:577    
  21:4        22:188      23:7760     24:2732     25:2        27:2860   
  29:19       31:3438     32:39       33:1        34:84       35:264    
  36:4074     37:4603     38:10601    39:957      40:247      41:4336   
  42:2044     43:2815     44:379      45:18903    46:5181     47:354    
  49:1926     50:2032     51:591      52:1555     54:325      55:1089   
  56:11       57:278      58:2294     59:1419     60:1200     61:3160   
  62:3012     63:1796     64:5572     65:2166     66:4785     67:3106   
  68:1072     69:3979     70:1039     71:633      72:2852     74:2817   
  75:1512     76:610      77:2772     78:1899     79:1719     80:2243   
  81:2072     82:3192     83:1473     84:1903     85:3491     86:1192   
  87:2398     88:1312     89:4451     90:779      91:8467     92:2785   
  93:2961     94:4193     95:4424     96:1490     97:310      98:956    
  99:695     100:71      101:1494    102:4054    103:32756   104:5221   
 105:1069    106:978     107:2658    108:1269    109:4254    110:2280   
 111:3501    112:2376    113:1906    114:1990    115:2291    116:2160   
 117:2677    118:3032    119:2048    120:2251    121:1404    122:2933   
 123:2453    124:1793    125:2932    126:91      128:1642    129:985    
 130:1328    131:2079    132:783     133:450     134:1604    135:352    
 136:1463    137:1268    138:2891    139:1671    140:1650    141:1526   
 142:1911    143:1974    144:1179    145:564     146:2201    147:2104   
 148:2730    149:2996    150:1295    151:2265    152:2077    153:590    
 154:7891    155:1863    156:3114    157:1948    158:1352    159:2528   
 160:3619    161:1905    162:3906    163:2252    164:1890    165:2432   
 166:1542    167:2015    168:4027    169:787     170:5186    171:1012   
 172:4226    173:3412    174:919     175:1357    176:3756    177:4917   
 178:3966    179:2415    180:2666    181:4160    182:3580    183:2316   
 184:2102    185:21694   186:5312    187:4733    188:4283    189:4439   
 190:9611    191:1556    192:11363   193:9504    194:7935    195:5734   
 196:3311    197:3195    198:6134    199:8626    200:8293    201:6439   
 202:10989   203:10944   204:4644    205:3596    206:4547    207:3557   
 208:4308    209:5158    210:5037    211:2826    212:4614    213:3833   
 214:1026    215:48      216:6828    217:3401    218:1461    219:606    
 220:2158    221:1210    222:990     223:2772   

End of report


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