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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 6 21:22:06 UTC 2024


IPv4 R&E Routing Table Report   21:20 GMT Tue 06 Aug, 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:                               14779
    Prefixes after maximum aggregation (per Origin AS):            8185
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):        9325
    Number of IPv4 prefixes with a valid ROA:                      5332
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                           9447
Total ASes present in the Internet Routing Table:                  2158
    Prefixes per ASN:                                              6.85
Origin-only ASes present in the Internet Routing Table:            1827
Origin ASes announcing only one prefix:                             804
Transit ASes present in the Internet Routing Table:                 331
Transit-only ASes present in the Internet Routing Table:             82
Paths with bogon ASNs present in the IPv4 Routing Table:            106
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:                      45104
Number of 32-bit ASNs visible in the Routing Table:                 511
Prefixes from 32-bit ASNs in the Routing Table:                    1512
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:              1
Number of addresses announced to Internet:                    161795372
    Equivalent to 9 /8s, 164 /16s and 205 /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:        1779

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

Prefixes being announced by APNIC Region ASes:                     2936
    Total APNIC prefixes after maximum aggregation:                1275
    APNIC Deaggregation factor:                                    2.30
Prefixes being announced from the APNIC address blocks:            2937
    Unique aggregates announced from the APNIC address blocks:     1436
APNIC Region origin ASes present in the Internet Routing Table:     388
    APNIC Prefixes per ASN:                                        7.57
APNIC Region origin ASes announcing only one prefix:                167
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:    175
Number of APNIC addresses announced to Internet:               30470360
    Equivalent to 1 /8s, 208 /16s and 240 /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:                      6342
    Total ARIN prefixes after maximum aggregation:                 3537
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             6353
    Unique aggregates announced from the ARIN address blocks:      4125
ARIN Region origin ASes present in the Internet Routing Table:      914
    ARIN Prefixes per ASN:                                         6.95
ARIN Region origin ASes announcing only one prefix:                 314
ARIN Region transit ASes present in the Internet Routing Table:     130
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:     139
Number of ARIN addresses announced to Internet:                69608516
    Equivalent to 4 /8s, 38 /16s and 36 /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:                      3337
    Total RIPE prefixes after maximum aggregation:                 2661
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3327
    Unique aggregates announced from the RIPE address blocks:      2746
RIPE Region origin ASes present in the Internet Routing Table:      596
    RIPE Prefixes per ASN:                                         5.58
RIPE Region origin ASes announcing only one prefix:                 260
RIPE Region transit ASes present in the Internet Routing Table:      95
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:     129
Number of RIPE addresses announced to Internet:                55471104
    Equivalent to 3 /8s, 78 /16s and 108 /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:                    1337
    Total LACNIC prefixes after maximum aggregation:                508
    LACNIC Deaggregation factor:                                   2.63
Prefixes being announced from the LACNIC address blocks:           1336
    Unique aggregates announced from the LACNIC address blocks:     689
LACNIC Region origin ASes present in the Internet Routing Table:    146
    LACNIC Prefixes per ASN:                                       9.15
LACNIC Region origin ASes announcing only one prefix:                46
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:               4102672
    Equivalent to 0 /8s, 62 /16s and 154 /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:                    826
    Total AfriNIC prefixes after maximum aggregation:               203
    AfriNIC Deaggregation factor:                                  4.07
Prefixes being announced from the AfriNIC address blocks:           825
    Unique aggregates announced from the AfriNIC address blocks:    328
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     26.61
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2140672
    Equivalent to 0 /8s, 32 /16s and 170 /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         447        180      24  CSTNET-AS-AP Computer Network Information
  7575         334        330     121  AARNET-AS-AP Australian Academic and Rese
 55824         131         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          57          4      33  ERX-ERNET-AS Education and Research Netwo
  1659          53       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
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         188        507      98  CENIC-2152, US
  2920         175         34       7  LACOE, US
 18558         135         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
     1         128          2      49  LVLT-1, US
   270         117        328      81  AS270, US
 23024          96          7      21  OCDE, 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         283       1899     250  DFN Verein zur Foerderung eines Deutschen
   786         184       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         197        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          46         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         373        319      71  TENET-1, ZA
 36914         257         20      54  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37661          13          8       5  NRaE1-AS, NG
 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         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         373        319      71  TENET-1, ZA
  7575         334        330     121  AARNET-AS-AP Australian Academic and Rese
   680         283       1899     250  DFN Verein zur Foerderung eines Deutschen
 36914         257         20      54  KENET-AS, KE
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1916         197        176      43  Rede Nacional de Ensino e Pesquisa, BR
  2152         188        507      98  CENIC-2152, US

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         373          302  TENET-1, ZA
  7575         334          213  AARNET-AS-AP Australian Academic and Research N
 36914         257          203  KENET-AS, KE
  5786         198          197  UPRENET, PR
  2920         175          168  LACOE, US
  1916         197          154  Rede Nacional de Ensino e Pesquisa, BR
  8895         136          131  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
 55824         131          112  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

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     /16:1520    /17:342     /18:347     
/19:421     /20:669     /21:690     /22:1059    /23:1154    /24:8092    
/25:36      /26:44      /27:96      /28:33      /29:69      /30:25      
/31:9       /32:4       

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

   ASN  No of nets  Total ann.  Description
 36914         241         257  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
     1          42         128  LVLT-1, US
  1916          39         197  Rede Nacional de Ensino e Pesquisa, BR
327700          39          45  MoRENet, MZ
 23024          38          96  OCDE, US
 32440          36          63  LONI, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
200521          32          54  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        14:91     
  23:4        24:1        31:1        35:2        37:8        38:9      
  41:230      42:10       44:3        45:36       46:5        47:1      
  49:10       50:3        58:1        59:17       60:6        61:2      
  62:8        63:3        64:17       65:1        66:26       67:41     
  68:6        69:14       70:2        72:5        74:14       76:41     
  77:10       78:2        79:10       80:13       81:23       82:6      
  83:4        84:1        85:32       86:5        87:1        89:10     
  91:39       92:2        93:11       94:2        95:2        96:5      
  97:2        98:2       101:1       102:5       103:255     104:78     
 108:2       109:7       111:9       113:3       114:3       116:8      
 118:34      119:23      121:15      122:8       123:8       124:42     
 125:5       128:60      129:30      130:93      131:38      132:49     
 134:24      136:198     137:171     138:65      139:15      140:32     
 141:1       142:23      143:25      144:23      145:1       146:133    
 147:25      148:191     149:13      150:32      151:9       152:133    
 153:78      154:37      155:52      156:132     157:18      158:35     
 159:121     160:4       161:10      162:24      163:51      164:8      
 165:9       166:1       167:10      168:112     169:4       170:85     
 171:1       172:3       173:6       175:29      176:8       177:6      
 179:13      180:16      182:12      184:5       185:43      186:3      
 187:17      188:12      189:3       190:1       191:13      192:1122   
 193:250     194:112     195:61      196:148     197:52      198:342    
 199:163     200:275     201:33      202:265     203:245     204:295    
 205:105     206:166     207:200     208:61      209:102     210:124    
 211:12      212:159     213:5       214:8       216:43      217:9      
 218:20      220:4       222:1       223:14     

End of report


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