[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view

REN Routing Table Report cscora at frr.nsrc.org
Tue May 18 22:00:17 UTC 2021


Global R&E Routing Table Report   22:00 GMT Tue 18 May, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Internet2/

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

BGP routing table entries examined:                               22507
    Prefixes after maximum aggregation (per Origin AS):           12256
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       14473
Total ASes present in the Internet Routing Table:                  2773
    Prefixes per ASN:                                              8.12
Origin-only ASes present in the Internet Routing Table:            2372
Origin ASes announcing only one prefix:                            1093
Transit ASes present in the Internet Routing Table:                 401
Transit-only ASes present in the Internet Routing Table:             65
Average AS path length visible in the Internet Routing Table:       3.3
    Max AS path length visible:                                      15
    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:                      36028
Number of 32-bit ASNs visible in the Routing Table:                 591
Prefixes from 32-bit ASNs in the Routing Table:                    1667
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:                    289258776
    Equivalent to 17 /8s, 61 /16s and 189 /24s
    Percentage of available address space announced:                7.8
    Percentage of allocated address space announced:                7.8
    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:        3166

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

Prefixes being announced by APNIC Region ASes:                     4722
    Total APNIC prefixes after maximum aggregation:                2375
    APNIC Deaggregation factor:                                    1.99
Prefixes being announced from the APNIC address blocks:            4773
    Unique aggregates announced from the APNIC address blocks:     2776
APNIC Region origin ASes present in the Internet Routing Table:     575
    APNIC Prefixes per ASN:                                        8.30
APNIC Region origin ASes announcing only one prefix:                243
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    215
Number of APNIC addresses announced to Internet:               47068992
    Equivalent to 2 /8s, 206 /16s and 55 /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, 131072-147769
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:                     11677
    Total ARIN prefixes after maximum aggregation:                 6308
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:            11566
    Unique aggregates announced from the ARIN address blocks:      7712
ARIN Region origin ASes present in the Internet Routing Table:     1227
    ARIN Prefixes per ASN:                                         9.43
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         3.0
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     146
Number of ARIN addresses announced to Internet:               174701080
    Equivalent to 10 /8s, 105 /16s and 186 /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:                      3444
    Total RIPE prefixes after maximum aggregation:                 2778
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3509
    Unique aggregates announced from the RIPE address blocks:      2848
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.21
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     111
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                59878784
    Equivalent to 3 /8s, 145 /16s and 173 /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:                    1452
    Total LACNIC prefixes after maximum aggregation:                589
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1457
    Unique aggregates announced from the LACNIC address blocks:     828
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.19
LACNIC Region origin ASes announcing only one prefix:                74
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       4.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    77
Number of LACNIC addresses announced to Internet:               4749376
    Equivalent to 0 /8s, 72 /16s and 120 /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:                   1197
    Total AfriNIC prefixes after maximum aggregation:               192
    AfriNIC Deaggregation factor:                                  6.23
Prefixes being announced from the AfriNIC address blocks:          1200
    Unique aggregates announced from the AfriNIC address blocks:    307
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     23.53
AfriNIC Region origin ASes announcing only one prefix:               25
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:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2860032
    Equivalent to 0 /8s, 43 /16s and 164 /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         619       2155     456  SINET-AS Research Organization of Infor
  7497         435        213      26  CSTNET-AS-AP Computer Network Informati
  1237         190         75     140  KREONET-AS-KR KISTI, KR
  7575         187        331     133  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         123       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          81         37      11  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 

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2430       4303     915  AMAZON-02, US
 14618         511       3981     354  AMAZON-AES, US
  7896         260         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  8075         203      11189     182  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
     1         117          1      41  LVLT-1, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/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         172         24       4  ISU Internet Services Unit (ISU), SA
   559         116        550     107  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/Internet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         202        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          66         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          43         16       1  Red de Interconexion Universitaria, AR
 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/Internet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         415         82       3  KENET-AS, KE
  2018         322        319      74  TENET-1, ZA
327687         136         28       3  RENU, UG
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          29          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/Internet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2430       4303     915  AMAZON-02, US
  2907         619       2155     456  SINET-AS Research Organization of Infor
 14618         511       3981     354  AMAZON-AES, US
  7497         435        213      26  CSTNET-AS-AP Computer Network Informati
 36914         415         82       3  KENET-AS, KE
  2018         322        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         260         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
 36914         415          412  KENET-AS, KE
  7497         435          409  CSTNET-AS-AP Computer Network Information Cente
  7896         260          253  NU-AS, US
  2018         322          248  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         172          168  ISU Internet Services Unit (ISU), SA
  2907         619          163  SINET-AS Research Organization of Information a
  1916         202          161  Associacao Rede Nacional de Ensino e Pesquisa, 
 14618         511          157  AMAZON-AES, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/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/Internet2/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/Internet2/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/Internet2/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       /10:4       /11:7       /12:29      
/13:33      /14:81      /15:195     /16:2155    /17:454     /18:463     
/19:617     /20:975     /21:1025    /22:1582    /23:1684    /24:12861   
/25:85      /26:67      /27:122     /28:1       /29:46      /30:0       
/31:20      /32:0       

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

   ASN  No of nets  Total ann.  Description
 16509         650        2430  AMAZON-02, US
 36914         387         415  KENET-AS, KE
  8895         167         172  ISU Internet Services Unit (ISU), SA
 14618         158         511  AMAZON-AES, US
 23024          53          56  OCDE, US
     1          32         117  LVLT-1, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos

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

   1:4         3:74        4:2         5:15        6:4         8:2      
  12:1        13:218      14:84       15:11       18:55       23:24     
  24:6        31:6        34:15       35:6        37:6        38:9      
  40:3        41:237      42:25       44:5        45:70       46:9      
  47:1        49:10       50:5        52:637      54:128      58:2      
  59:20       60:4        61:4        62:7        63:34       64:118    
  65:7        66:50       67:57       68:18       69:42       70:8      
  71:17       72:16       74:39       75:128      76:166      77:7      
  78:3        79:10       80:14       81:32       82:5        83:8      
  84:9        85:37       86:9        87:1        88:2        89:11     
  91:54       92:1        93:12       94:4        95:4        96:7      
  97:1        98:8        99:178     100:2       101:6       102:9      
 103:317     104:42      106:1       107:8       108:19      109:8      
 110:3       111:21      112:4       114:23      115:1       116:5      
 117:63      118:35      119:19      121:29      122:11      123:8      
 124:40      125:13      128:79      129:225     130:112     131:104    
 132:60      133:137     134:91      135:1       136:203     137:161    
 138:10      139:16      140:50      141:3       142:61      143:38     
 144:81      146:126     147:67      148:167     149:16      150:44     
 151:6       152:77      153:11      154:25      155:57      156:64     
 157:30      158:48      159:118     160:33      161:19      162:45     
 163:71      164:48      165:20      166:1       167:17      168:159    
 169:9       170:92      171:1       172:8       173:19      174:1      
 175:32      176:12      177:7       178:3       179:13      180:21     
 181:11      182:6       184:7       185:52      186:3       187:18     
 188:15      189:6       190:44      191:36      192:1482    193:256    
 194:146     195:105     196:168     197:198     198:510     199:305    
 200:251     201:39      202:591     203:433     204:385     205:202    
 206:194     207:191     208:86      209:131     210:187     211:14     
 212:165     213:13      214:7       216:92      217:16      218:26     
 219:8       220:24      222:4       223:2      

End of report


More information about the ren-bgp-stats-all mailing list