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

REN Routing Table Report cscora at frr.nsrc.org
Wed Feb 23 18:05:29 UTC 2022


IPv4 R&E Routing Table Report   18:05 GMT Wed 23 Feb, 2022

  BGP Table (R&E) as seen at WACREN.

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

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

BGP routing table entries examined:                               18459
    Prefixes after maximum aggregation (per Origin AS):           10361
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11487
    Number of IPv4 prefixes with a valid ROA:                      3761
    Number of IPv4 prefixes with an invalid ROA:                     28
    Number of IPv4 prefixes with no ROA:                          14670
Total ASes present in the Internet Routing Table:                  2755
    Prefixes per ASN:                                              6.70
Origin-only ASes present in the Internet Routing Table:            2378
Origin ASes announcing only one prefix:                            1100
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             54
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      38610
Number of 32-bit ASNs visible in the Routing Table:                 637
Prefixes from 32-bit ASNs in the Routing Table:                    1733
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    203089024
    Equivalent to 12 /8s, 26 /16s and 228 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        2041

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

Prefixes being announced by APNIC Region ASes:                     4777
    Total APNIC prefixes after maximum aggregation:                2351
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4778
    Unique aggregates announced from the APNIC address blocks:     2669
APNIC Region origin ASes present in the Internet Routing Table:     595
    APNIC Prefixes per ASN:                                        8.03
APNIC Region origin ASes announcing only one prefix:                258
APNIC Region transit ASes present in the Internet Routing Table:     66
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    236
Number of APNIC addresses announced to Internet:               46178368
    Equivalent to 2 /8s, 192 /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, 131072-151865
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:                      7772
    Total ARIN prefixes after maximum aggregation:                 4419
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             7789
    Unique aggregates announced from the ARIN address blocks:      4936
ARIN Region origin ASes present in the Internet Routing Table:     1191
    ARIN Prefixes per ASN:                                         6.54
ARIN Region origin ASes announcing only one prefix:                 429
ARIN Region transit ASes present in the Internet Routing Table:     157
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:     164
Number of ARIN addresses announced to Internet:                92047968
    Equivalent to 5 /8s, 124 /16s and 138 /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:                      3448
    Total RIPE prefixes after maximum aggregation:                 2781
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3432
    Unique aggregates announced from the RIPE address blocks:      2744
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.02
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                57995968
    Equivalent to 3 /8s, 116 /16s and 242 /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
                       196608-213403
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:                    1560
    Total LACNIC prefixes after maximum aggregation:                620
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1561
    Unique aggregates announced from the LACNIC address blocks:     846
LACNIC Region origin ASes present in the Internet Routing Table:    179
    LACNIC Prefixes per ASN:                                       8.72
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    73
Number of LACNIC addresses announced to Internet:               4181024
    Equivalent to 0 /8s, 63 /16s and 204 /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:                    897
    Total AfriNIC prefixes after maximum aggregation:               185
    AfriNIC Deaggregation factor:                                  4.85
Prefixes being announced from the AfriNIC address blocks:           897
    Unique aggregates announced from the AfriNIC address blocks:    290
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     18.69
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2685184
    Equivalent to 0 /8s, 40 /16s and 249 /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
  2907         577       2156     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     135  KREONET-AS-KR KISTI, KR
 58647         179         18       2  KAGAWAU-AS Kagawa University, JP
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         175        330     122  AARNET-AS-AP Australian Academic and Re
 55824         130         19      23  NKN-CORE-NW NKN Core Network, IN
  4621          80         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         251         51       7  NU-AS, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         144        507      86  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         111         34       6  LACOE, US
 21976          87         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         183         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          63         30      60  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         204        208      46  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         351        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          35         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         577       2156     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         351        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
  1916         204        208      46  Rede Nacional de Ensino e Pesquisa, BR
 36914         204         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         189         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         351          277  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         183          179  ISU Internet Services Unit ISU, SA
 58647         179          177  KAGAWAU-AS Kagawa University, JP
  1916         204          158  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
 55824         130          107  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/WACREN/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       /10:2       /11:1       /12:10      
/13:18      /14:35      /15:122     /16:1984    /17:387     /18:430     
/19:555     /20:845     /21:880     /22:1409    /23:1531    /24:10045   
/25:79      /26:61      /27:61      /28:3       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         191         204  KENET-AS, KE
  8895         178         183  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
327700          31          35  MoRENet, MZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:4         5:15        8:2        12:1        14:84       18:42     
  23:9        24:3        31:6        38:9        40:1        41:117    
  42:14       44:5        45:41       46:6        47:1        49:10     
  50:1        52:1        58:7        59:20       60:4        61:3      
  62:7        63:34       64:47       66:35       67:43       68:8      
  69:20       70:2        71:1        72:10       74:20       76:33     
  77:7        78:3        79:10       80:15       81:28       82:4      
  83:6        84:4        85:32       86:4        87:1        88:1      
  89:10       91:44       92:1        93:17       94:4        95:5      
  96:5        97:1        98:2       101:8       102:13      103:327    
 104:14      106:1       108:8       109:10      110:3       111:20     
 112:4       114:23      116:5       117:61      118:32      119:22     
 121:27      122:8       123:8       124:39      125:4       128:82     
 129:176     130:92      131:88      132:58      133:141     134:96     
 136:192     137:87      138:8       139:5       140:36      141:2      
 142:41      143:35      144:52      145:2       146:128     147:56     
 148:191     149:13      150:39      151:6       152:71      153:11     
 154:23      155:51      156:67      157:26      158:42      159:116    
 160:25      161:21      162:20      163:61      164:43      165:55     
 166:2       167:16      168:162     169:10      170:54      171:1      
 172:2       173:2       175:31      176:8       177:12      178:1      
 179:11      180:21      181:16      182:6       184:2       185:38     
 186:3       187:19      188:13      189:5       190:49      191:33     
 192:1397    193:265     194:141     195:85      196:151     197:115    
 198:463     199:253     200:252     201:39      202:641     203:424    
 204:323     205:165     206:186     207:165     208:66      209:112    
 210:185     211:13      212:153     213:4       216:86      217:15     
 218:25      219:12      220:18      222:5       223:4      

End of report


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