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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jul 28 21:21:21 UTC 2024


IPv4 R&E Routing Table Report   21:20 GMT Sun 28 Jul, 2024

  IPv4 BGP Table (R&E) as seen at Guam.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/UniGuam/

Analysis Summary
----------------

BGP routing table entries examined:                               14677
    Prefixes after maximum aggregation (per Origin AS):            8142
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):        9221
    Number of IPv4 prefixes with a valid ROA:                      5276
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                           9391
Total ASes present in the Internet Routing Table:                  2153
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            1821
Origin ASes announcing only one prefix:                             801
Transit ASes present in the Internet Routing Table:                 332
Transit-only ASes present in the Internet Routing Table:             86
Paths with bogon ASNs present in the IPv4 Routing Table:            150
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45047
Number of 32-bit ASNs visible in the Routing Table:                 504
Prefixes from 32-bit ASNs in the Routing Table:                    1469
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              4
Number of addresses announced to Internet:                    161426220
    Equivalent to 9 /8s, 159 /16s and 43 /24s
    Percentage of available address space announced:                4.4
    Percentage of allocated address space announced:                4.4
    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:        1738

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

Prefixes being announced by APNIC Region ASes:                     2935
    Total APNIC prefixes after maximum aggregation:                1275
    APNIC Deaggregation factor:                                    2.30
Prefixes being announced from the APNIC address blocks:            2933
    Unique aggregates announced from the APNIC address blocks:     1435
APNIC Region origin ASes present in the Internet Routing Table:     387
    APNIC Prefixes per ASN:                                        7.58
APNIC Region origin ASes announcing only one prefix:                168
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    172
Number of APNIC addresses announced to Internet:               30468824
    Equivalent to 1 /8s, 208 /16s and 234 /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, 131072-153913
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:                      6339
    Total ARIN prefixes after maximum aggregation:                 3489
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             6350
    Unique aggregates announced from the ARIN address blocks:      4035
ARIN Region origin ASes present in the Internet Routing Table:      906
    ARIN Prefixes per ASN:                                         7.01
ARIN Region origin ASes announcing only one prefix:                 313
ARIN Region transit ASes present in the Internet Routing Table:     133
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     138
Number of ARIN addresses announced to Internet:                69198660
    Equivalent to 4 /8s, 31 /16s and 227 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                      3330
    Total RIPE prefixes after maximum aggregation:                 2670
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3320
    Unique aggregates announced from the RIPE address blocks:      2742
RIPE Region origin ASes present in the Internet Routing Table:      597
    RIPE Prefixes per ASN:                                         5.56
RIPE Region origin ASes announcing only one prefix:                 258
RIPE Region transit ASes present in the Internet Routing Table:      94
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                55540480
    Equivalent to 3 /8s, 79 /16s and 123 /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,
                        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:                    1321
    Total LACNIC prefixes after maximum aggregation:                509
    LACNIC Deaggregation factor:                                   2.60
Prefixes being announced from the LACNIC address blocks:           1320
    Unique aggregates announced from the LACNIC address blocks:     694
LACNIC Region origin ASes present in the Internet Routing Table:    147
    LACNIC Prefixes per ASN:                                       8.98
LACNIC Region origin ASes announcing only one prefix:                47
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.3
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    55
Number of LACNIC addresses announced to Internet:               4104464
    Equivalent to 0 /8s, 62 /16s and 161 /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:                    751
    Total AfriNIC prefixes after maximum aggregation:               198
    AfriNIC Deaggregation factor:                                  3.79
Prefixes being announced from the AfriNIC address blocks:           750
    Unique aggregates announced from the AfriNIC address blocks:    312
AfriNIC Region origin ASes present in the Internet Routing Table:    29
    AfriNIC Prefixes per ASN:                                     25.86
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   11
Number of AfriNIC addresses announced to Internet:              2103552
    Equivalent to 0 /8s, 32 /16s and 25 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  7497         448        180      24  CSTNET-AS-AP Computer Network Information
  7575         334        330     121  AARNET-AS-AP Australian Academic and Rese
 55824         130         18      19  NKN-CORE-NW NKN Core Network, IN
  4538         128       4192      72  ERX-CERNET-BKB China Education and Resear
 24313          70         16       1  NSW-DET-AS NSW Department of Education, A
  2697          58          4      34  ERX-ERNET-AS Education and Research Netwo
  1659          52       1466      35  ERX-TANET-ASN1 Taiwan Academic Network TA
 38280          50          3       2  MONASHUNI-MY-AS-AP Monash University Sunw
  7645          45         32       2  DEAKINUNIVERSITY-AS-AP Deakin University,
132524          44          9      11  TIFR-AS Tata Institute of Fundamental Res

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        162     151  RISQ-AS, CA
   668         200        631     169  DNIC-AS-00668, US
  5786         197         16       1  UPRENET, PR
  2152         188        507      98  CENIC-2152, US
  2920         176         34       7  LACOE, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
     1         128          2      49  LVLT-1, US
   270         117        328      81  AS270, US
 32440         116         35      18  LONI, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     250  DFN Verein zur Foerderung eines Deutschen
   786         182       1767     181  JANET Jisc Services Limited, GB
  8895         136         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch.c
  1103          96       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          90         26      70  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  NIKS, RU

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         108          9      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          47         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      71  TENET-1, ZA
 36914         177         14      51  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7497         448        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
  7575         334        330     121  AARNET-AS-AP Australian Academic and Rese
   680         282       1899     250  DFN Verein zur Foerderung eines Deutschen
   376         202        162     151  RISQ-AS, CA
   668         200        631     169  DNIC-AS-00668, US
  5786         197         16       1  UPRENET, PR
  2152         188        507      98  CENIC-2152, US
   786         182       1767     181  JANET Jisc Services Limited, GB
 36914         177         14      51  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  2018         381          310  TENET-1, ZA
  7575         334          213  AARNET-AS-AP Australian Academic and Research N
  5786         197          196  UPRENET, PR
  2920         176          169  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         136          131  ISU Internet Services Unit ISU, SA
 36914         177          126  KENET-AS, KE
  1916         158          115  Rede Nacional de Ensino e Pesquisa, BR
 55824         130          111  NKN-CORE-NW NKN Core Network, IN
    81         133          100  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/UniGuam/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        /8:0        /9:1       /10:1       /11:1       /12:10      
/13:17      /14:26      /15:113     /16:1514    /17:339     /18:350     
/19:419     /20:673     /21:683     /22:1044    /23:1147    /24:7992    
/25:38      /26:40      /27:129     /28:33      /29:69      /30:25      
/31:9       /32:4       

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

   ASN  No of nets  Total ann.  Description
 36914         173         177  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
 32440          82         116  LONI, US
     1          42         128  LVLT-1, US
327700          40          46  MoRENet, MZ
 23024          38          96  OCDE, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          30          44  HCCS, US
200521          27          48  SEAP-AGE, ES

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1         4:2         5:15        6:4         8:2        14:89     
  23:4        24:1        31:1        35:2        37:8        38:9      
  41:167      42:10       44:3        45:36       46:5        47:1      
  49:10       50:3        58:1        59:17       60:6        61:2      
  62:7        63:3        64:17       65:1        66:25       67:41     
  68:5        69:14       70:2        72:5        74:14       76:41     
  77:10       78:2        79:10       80:13       81:23       82:6      
  83:5        84:1        85:29       86:5        87:1        89:10     
  91:41       92:2        93:11       94:2        95:2        96:5      
  97:2        98:2       101:1       102:5       103:250     104:76     
 108:2       109:7       111:10      113:3       114:3       116:8      
 118:34      119:23      121:15      122:8       123:8       124:43     
 125:5       128:60      129:31      130:95      131:37      132:63     
 134:23      136:197     137:174     138:65      139:14      140:33     
 141:1       142:23      143:25      144:23      145:1       146:133    
 147:25      148:192     149:11      150:33      151:9       152:133    
 153:78      154:37      155:52      156:133     157:18      158:35     
 159:120     160:4       161:10      162:24      163:53      164:8      
 165:9       166:1       167:10      168:119     169:4       170:88     
 171:1       172:2       173:6       175:29      176:8       177:5      
 179:13      180:16      182:12      184:4       185:41      186:3      
 187:17      188:12      189:3       190:1       191:13      192:1119   
 193:249     194:112     195:62      196:147     197:53      198:345    
 199:151     200:262     201:33      202:266     203:245     204:299    
 205:96      206:158     207:175     208:64      209:113     210:121    
 211:12      212:158     213:5       214:8       216:44      217:9      
 218:20      220:4       222:1       223:14     

End of report


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