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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Oct 30 21:21:19 UTC 2023


IPv4 R&E Routing Table Report   21:20 GMT Mon 30 Oct, 2023

  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:                               14946
    Prefixes after maximum aggregation (per Origin AS):            8292
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):        9497
    Number of IPv4 prefixes with a valid ROA:                      4322
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          10614
Total ASes present in the Internet Routing Table:                  2110
    Prefixes per ASN:                                              7.08
Origin-only ASes present in the Internet Routing Table:            1781
Origin ASes announcing only one prefix:                             798
Transit ASes present in the Internet Routing Table:                 329
Transit-only ASes present in the Internet Routing Table:             77
Paths with bogon ASNs present in the IPv4 Routing Table:             10
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      42954
Number of 32-bit ASNs visible in the Routing Table:                 480
Prefixes from 32-bit ASNs in the Routing Table:                    1520
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:              2
Number of addresses announced to Internet:                    162234436
    Equivalent to 9 /8s, 171 /16s and 128 /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:        1894

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

Prefixes being announced by APNIC Region ASes:                     3307
    Total APNIC prefixes after maximum aggregation:                1493
    APNIC Deaggregation factor:                                    2.22
Prefixes being announced from the APNIC address blocks:            3306
    Unique aggregates announced from the APNIC address blocks:     1685
APNIC Region origin ASes present in the Internet Routing Table:     371
    APNIC Prefixes per ASN:                                        8.91
APNIC Region origin ASes announcing only one prefix:                158
APNIC Region transit ASes present in the Internet Routing Table:     52
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    157
Number of APNIC addresses announced to Internet:               31415340
    Equivalent to 1 /8s, 223 /16s and 92 /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:                      6050
    Total ARIN prefixes after maximum aggregation:                 3375
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             6066
    Unique aggregates announced from the ARIN address blocks:      3897
ARIN Region origin ASes present in the Internet Routing Table:      885
    ARIN Prefixes per ASN:                                         6.85
ARIN Region origin ASes announcing only one prefix:                 309
ARIN Region transit ASes present in the Internet Routing Table:     131
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     131
Number of ARIN addresses announced to Internet:                68855912
    Equivalent to 4 /8s, 26 /16s and 168 /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, 393216-401308
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:                      3357
    Total RIPE prefixes after maximum aggregation:                 2657
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3344
    Unique aggregates announced from the RIPE address blocks:      2702
RIPE Region origin ASes present in the Internet Routing Table:      612
    RIPE Prefixes per ASN:                                         5.46
RIPE Region origin ASes announcing only one prefix:                 261
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     123
Number of RIPE addresses announced to Internet:                55810304
    Equivalent to 3 /8s, 83 /16s and 153 /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:                    1257
    Total LACNIC prefixes after maximum aggregation:                482
    LACNIC Deaggregation factor:                                   2.61
Prefixes being announced from the LACNIC address blocks:           1255
    Unique aggregates announced from the LACNIC address blocks:     682
LACNIC Region origin ASes present in the Internet Routing Table:    127
    LACNIC Prefixes per ASN:                                       9.88
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    54
Number of LACNIC addresses announced to Internet:               3817904
    Equivalent to 0 /8s, 58 /16s and 65 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    973
    Total AfriNIC prefixes after maximum aggregation:               283
    AfriNIC Deaggregation factor:                                  3.44
Prefixes being announced from the AfriNIC address blocks:           973
    Unique aggregates announced from the AfriNIC address blocks:    529
AfriNIC Region origin ASes present in the Internet Routing Table:    37
    AfriNIC Prefixes per ASN:                                     26.30
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   15
Number of AfriNIC addresses announced to Internet:              2269184
    Equivalent to 0 /8s, 34 /16s and 160 /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         437        180      23  CSTNET-AS-AP Computer Network Informati
  7575         352        330     126  AARNET-AS-AP Australian Academic and Re
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
  4762          64          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          57          4      33  ERX-ERNET-AS Education and Research Net
  1659          51       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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         204        652     173  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         172        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
     1         124          2      46  LVLT-1, US
   270         118        329      82  AS270, US
 23024         113          7      17  OCDE, US
  2920         111         34       9  LACOE, 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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         159         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        457      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         249        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103          8      48  Red Universitaria Nacional, CL
271640          70          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          35          4       3  Universidad Autonoma Metropolitana, MX
263683          33         10      21  Universidad de Costa Rica, CR
  1251          32         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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         380        319      71  TENET-1, ZA
 36914         250         22      90  KENET-AS, KE
327687         111          9      41  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, ZA

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         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
  7575         352        330     126  AARNET-AS-AP Australian Academic and Re
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         250         22      90  KENET-AS, KE
  1916         249        176      43  Rede Nacional de Ensino e Pesquisa, BR
   668         204        652     173  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  5786         197         16       1  UPRENET, PR

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         380          309  TENET-1, ZA
  7575         352          226  AARNET-AS-AP Australian Academic and Research N
  1916         249          206  Rede Nacional de Ensino e Pesquisa, BR
  5786         197          196  UPRENET, PR
 36914         250          160  KENET-AS, KE
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
 55824         127          110  NKN-CORE-NW NKN Core Network, IN
  2920         111          102  LACOE, US
    81         127           97  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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
134.208.0.0/16       Origin:     17711  NDHU-TW National Dong Hwa University, TW
134.208.0.0/16      Transit:      7539  TWAREN-TW National Center for High-perfo
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

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      /15:116     /16:1510    /17:351     /18:351     
/19:416     /20:657     /21:689     /22:1084    /23:1208    /24:8098    
/25:81      /26:56      /27:135     /28:35      /29:76      /30:16      
/31:4       /32:7       

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

   ASN  No of nets  Total ann.  Description
 36914         242         250  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          81         111  LONI, US
 23024          52         113  OCDE, US
     1          42         124  LVLT-1, US
  1916          40         249  Rede Nacional de Ensino e Pesquisa, BR
327700          38          43  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          30          44  HCCS, US

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

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

   1:2         4:2         5:15        6:4         8:2        14:89     
  23:5        24:1        31:7        35:2        38:7        41:120    
  42:10       44:5        45:32       46:5        47:1        49:9      
  50:4        58:1        59:3        60:5        61:2        62:11     
  63:3        64:21       65:1        66:20       67:41       68:4      
  69:13       70:2        72:5        74:12       76:41       77:9      
  78:2        79:10       80:12       81:24       82:7        83:4      
  84:7        85:25       86:4        87:1        89:9        91:41     
  92:2        93:3        94:4        95:2        96:5        97:1      
  98:2       101:2       102:28      103:195     104:76      108:2      
 109:9       111:10      113:1       114:23      116:6       117:61     
 119:18      121:10      122:8       124:40      125:4       128:64     
 129:47      130:87      131:38      132:57      134:47      136:197    
 137:256     138:19      139:13      140:33      141:1       142:35     
 143:22      144:23      145:1       146:129     147:28      148:191    
 149:12      150:42      151:12      152:133     153:78      154:29     
 155:52      156:65      157:16      158:34      159:114     160:8      
 161:11      162:26      163:71      164:7       165:49      166:1      
 167:13      168:105     169:4       170:14      171:1       172:3      
 173:7       175:18      176:8       177:5       179:8       180:15     
 181:1       182:4       184:1       185:47      186:3       187:17     
 188:12      189:4       190:9       191:13      192:1100    193:276    
 194:120     195:55      196:155     197:164     198:322     199:147    
 200:268     201:38      202:287     203:320     204:286     205:103    
 206:148     207:113     208:69      209:111     210:191     211:14     
 212:157     213:5       214:8       216:44      217:9       218:22     
 220:16      222:2       223:14     

End of report


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