[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET view

REN Routing Table Report cscora at frr.nsrc.org
Sat Apr 10 21:00:11 UTC 2021


Global R&E Routing Table Report   21:00 GMT Sat 10 Apr, 2021

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

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

BGP routing table entries examined:                               17918
    Prefixes after maximum aggregation (per Origin AS):            9934
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11137
Total ASes present in the Internet Routing Table:                  2622
    Prefixes per ASN:                                              6.83
Origin-only ASes present in the Internet Routing Table:            2240
Origin ASes announcing only one prefix:                            1042
Transit ASes present in the Internet Routing Table:                 382
Transit-only ASes present in the Internet Routing Table:             64
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      35653
Number of 32-bit ASNs visible in the Routing Table:                 540
Prefixes from 32-bit ASNs in the Routing Table:                    1576
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:                    199979520
    Equivalent to 11 /8s, 235 /16s and 114 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2080

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

Prefixes being announced by APNIC Region ASes:                     4164
    Total APNIC prefixes after maximum aggregation:                1975
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4163
    Unique aggregates announced from the APNIC address blocks:     2263
APNIC Region origin ASes present in the Internet Routing Table:     479
    APNIC Prefixes per ASN:                                        8.69
APNIC Region origin ASes announcing only one prefix:                198
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    171
Number of APNIC addresses announced to Internet:               41945088
    Equivalent to 2 /8s, 128 /16s and 8 /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, 131072-143673
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:                      7814
    Total ARIN prefixes after maximum aggregation:                 4465
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             7838
    Unique aggregates announced from the ARIN address blocks:      5062
ARIN Region origin ASes present in the Internet Routing Table:     1189
    ARIN Prefixes per ASN:                                         6.59
ARIN Region origin ASes announcing only one prefix:                 433
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     144
Number of ARIN addresses announced to Internet:                93713920
    Equivalent to 5 /8s, 149 /16s and 246 /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:                      3326
    Total RIPE prefixes after maximum aggregation:                 2719
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:             3317
    Unique aggregates announced from the RIPE address blocks:      2713
RIPE Region origin ASes present in the Internet Routing Table:      668
    RIPE Prefixes per ASN:                                         4.97
RIPE Region origin ASes announcing only one prefix:                 321
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                57580800
    Equivalent to 3 /8s, 110 /16s and 157 /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:                    1390
    Total LACNIC prefixes after maximum aggregation:                578
    LACNIC Deaggregation factor:                                   2.40
Prefixes being announced from the LACNIC address blocks:           1389
    Unique aggregates announced from the LACNIC address blocks:     804
LACNIC Region origin ASes present in the Internet Routing Table:    175
    LACNIC Prefixes per ASN:                                       7.94
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    75
Number of LACNIC addresses announced to Internet:               4115712
    Equivalent to 0 /8s, 62 /16s and 205 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                   1209
    Total AfriNIC prefixes after maximum aggregation:               183
    AfriNIC Deaggregation factor:                                  6.61
Prefixes being announced from the AfriNIC address blocks:          1209
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    44
    AfriNIC Prefixes per ASN:                                     27.48
AfriNIC Region origin ASes announcing only one prefix:               19
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   22
Number of AfriNIC addresses announced to Internet:              2623488
    Equivalent to 0 /8s, 40 /16s and 8 /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         609       2157     457  SINET-AS Research Organization of Infor
  7497         451        245      41  CSTNET-AS-AP Computer Network Informati
  1237         184         75     132  KREONET-AS-KR KISTI, KR
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         127         18      21  NKN-CORE-NW NKN Core Network, IN
  4538         123       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          82         37      10  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          57       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          55          3      31  ERX-ERNET-AS Education and Research Net

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         208        702     179  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  2152         158        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
  2920         109         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
 22742          85         61      44  CT-EDU-NET, US
  1736          80         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   786         187       1787     185  JANET Jisc Services Limited, GB
  8895         141         24       4  ISU Internet Services Unit (ISU), SA
   559         115        550     106  SWITCH Peering requests: (peering at switc
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      62  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          56         82      51  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         176        215      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          67         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         398         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
327687         134         28       3  RENU, UG
327700          83         16       1  MoRENet, MZ
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
 37215          27          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         609       2157     457  SINET-AS Research Organization of Infor
  7497         451        245      41  CSTNET-AS-AP Computer Network Informati
 36914         398         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         208        702     179  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
   786         187       1787     185  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
  7497         451          410  CSTNET-AS-AP Computer Network Information Cente
 36914         398          395  KENET-AS, KE
  7896         261          254  NU-AS, US
  2018         325          251  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  8895         141          137  ISU Internet Services Unit (ISU), SA
  1916         176          135  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         134          131  RENU, UG
 18558         134          130  NETBLK-RCOEK, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     36843  UNALLOCATED  64.56.80.0/23            11096  FLORIDANET, US
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.23.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.252.0/22          11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.218.0/24         11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.219.0/24         11096  FLORIDANET, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     36843  UNALLOCATED  162.223.23.0/24          11096  FLORIDANET, US

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

Prefixes from private and non-routed address space (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/AARNET/data-dsua

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
                    Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
                    Transit:     11537  INTERNET2-RESEARCH-EDU, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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      /15:117     /16:1945    /17:375     /18:414     
/19:564     /20:864     /21:913     /22:1365    /23:1448    /24:9846    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         372         398  KENET-AS, KE
  8895         136         141  ISU Internet Services Unit (ISU), SA
327700          77          83  MoRENet, MZ
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
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/AARNET/data-sXXas-nos

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

   1:4         5:15        6:4         8:2        12:1        14:84     
  18:41       23:6        24:6        31:6        37:6        38:9      
  40:1        41:266      42:24       44:5        45:59       46:7      
  47:1        49:10       50:1        52:1        58:1        59:20     
  60:4        61:4        62:6        63:34       64:46       65:2      
  66:29       67:44       68:8        69:17       71:1        72:14     
  74:18       76:32       77:4        78:3        79:10       80:14     
  81:33       82:4        83:7        84:7        85:35       86:9      
  87:1        88:1        89:10       91:47       92:1        93:13     
  94:4        95:4        96:5        97:1        98:2       101:6      
 102:5       103:241     104:14      106:1       108:8       109:8      
 110:3       111:16      112:4       114:23      115:1       116:6      
 117:63      118:35      119:18      121:29      122:9       123:8      
 124:40      125:13      128:47      129:220     130:88      131:96     
 132:52      133:137     134:88      136:192     137:148     138:6      
 139:5       140:48      141:2       142:43      143:31      144:67     
 146:123     147:64      148:160     149:13      150:33      151:5      
 152:71      153:11      154:24      155:50      156:62      157:25     
 158:44      159:114     160:26      161:16      162:18      163:64     
 164:39      165:14      166:1       167:15      168:120     169:9      
 170:51      171:1       172:1       173:2       175:32      176:8      
 177:7       178:1       179:12      180:16      182:5       184:5      
 185:39      186:3       187:18      188:13      189:6       190:43     
 191:35      192:1292    193:247     194:140     195:99      196:168    
 197:191     198:475     199:272     200:247     201:39      202:577    
 203:248     204:351     205:177     206:185     207:172     208:55     
 209:113     210:173     211:14      212:161     213:4       214:7      
 216:66      217:16      218:26      219:8       220:24      222:4      
 223:1      

End of report


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