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

REN Routing Table Report cscora at frr.nsrc.org
Fri May 28 17:00:12 UTC 2021


Global R&E Routing Table Report   17:00 GMT Fri 28 May, 2021

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

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

BGP routing table entries examined:                               18022
    Prefixes after maximum aggregation (per Origin AS):           10174
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11438
Total ASes present in the Internet Routing Table:                  2709
    Prefixes per ASN:                                              6.65
Origin-only ASes present in the Internet Routing Table:            2315
Origin ASes announcing only one prefix:                            1092
Transit ASes present in the Internet Routing Table:                 394
Transit-only ASes present in the Internet Routing Table:             68
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      16
    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:                      36147
Number of 32-bit ASNs visible in the Routing Table:                 585
Prefixes from 32-bit ASNs in the Routing Table:                    1666
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:                    203035392
    Equivalent to 12 /8s, 26 /16s and 19 /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:        2078

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

Prefixes being announced by APNIC Region ASes:                     4705
    Total APNIC prefixes after maximum aggregation:                2358
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4707
    Unique aggregates announced from the APNIC address blocks:     2711
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.13
APNIC Region origin ASes announcing only one prefix:                249
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    218
Number of APNIC addresses announced to Internet:               46313728
    Equivalent to 2 /8s, 194 /16s and 177 /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:                      7471
    Total ARIN prefixes after maximum aggregation:                 4331
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7490
    Unique aggregates announced from the ARIN address blocks:      4888
ARIN Region origin ASes present in the Internet Routing Table:     1171
    ARIN Prefixes per ASN:                                         6.40
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     143
Number of ARIN addresses announced to Internet:                92017664
    Equivalent to 5 /8s, 124 /16s and 20 /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:                      3371
    Total RIPE prefixes after maximum aggregation:                 2748
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3363
    Unique aggregates announced from the RIPE address blocks:      2747
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         4.98
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     110
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:     129
Number of RIPE addresses announced to Internet:                58210048
    Equivalent to 3 /8s, 120 /16s and 55 /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:                    1270
    Total LACNIC prefixes after maximum aggregation:                537
    LACNIC Deaggregation factor:                                   2.36
Prefixes being announced from the LACNIC address blocks:           1270
    Unique aggregates announced from the LACNIC address blocks:     793
LACNIC Region origin ASes present in the Internet Routing Table:    167
    LACNIC Prefixes per ASN:                                       7.60
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    72
Number of LACNIC addresses announced to Internet:               3806720
    Equivalent to 0 /8s, 58 /16s and 22 /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:                   1190
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  6.40
Prefixes being announced from the AfriNIC address blocks:          1190
    Unique aggregates announced from the AfriNIC address blocks:    297
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     25.87
AfriNIC Region origin ASes announcing only one prefix:               19
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2686720
    Equivalent to 0 /8s, 40 /16s and 255 /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         607       2155     455  SINET-AS Research Organization of Infor
  7497         435        213      26  CSTNET-AS-AP Computer Network Informati
  1237         188         75     137  KREONET-AS-KR KISTI, KR
  7575         181        331     128  AARNET-AS-AP Australian Academic and Re
  4538         167       4192      72  ERX-CERNET-BKB China Education and Rese
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         127         18      21  NKN-CORE-NW NKN Core Network, IN
  4621          82         37      11  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
 24151          56          4      21  CNNIC-CRITICAL-AP China Internet Networ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         245         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
  2152         158        507      91  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         117        297      87  AS270, US
  2920         109         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
 22742          86         62      44  CT-EDU-NET, US
  1736          80         16       1  MU-AS, US
     3          78        528      13  MIT-GATEWAYS, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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         140         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          66        647      61  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/UbuntuNet/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        207      40  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
 20191          31         16       1  Pontificia Universidad Catolica de Chil
271640          27          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         409         82       3  KENET-AS, KE
  2018         324        319      74  TENET-1, ZA
327687         136         28       3  RENU, UG
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          40         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/UbuntuNet/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         607       2155     455  SINET-AS Research Organization of Infor
  7497         435        213      26  CSTNET-AS-AP Computer Network Informati
 36914         409         82       3  KENET-AS, KE
  2018         324        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         245         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
  1237         188         75     137  KREONET-AS-KR KISTI, KR
   786         187       1787     185  JANET Jisc Services Limited, GB
  7575         181        331     128  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  Net Savings  Description
  7497         435          409  CSTNET-AS-AP Computer Network Information Cente
 36914         409          406  KENET-AS, KE
  2018         324          250  TENET-1, ZA
  7896         245          238  NU-AS, US
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  1916         177          137  Associacao Rede Nacional de Ensino e Pesquisa, 
  8895         140          136  ISU Internet Services Unit (ISU), SA
327687         136          133  RENU, UG
 18558         136          132  NETBLK-RCOEK, US
 55824         127          106  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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/UbuntuNet/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/UbuntuNet/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      
/13:19      /14:36      /15:117     /16:1987    /17:374     /18:414     
/19:568     /20:853     /21:872     /22:1383    /23:1452    /24:9933    
/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         383         409  KENET-AS, KE
  8895         135         140  ISU Internet Services Unit (ISU), SA
 23024          53          56  OCDE, US
327700          34          40  MoRENet, MZ
 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          43  LONI, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:4         5:15        8:2        12:1        14:84       18:41     
  23:5        24:5        31:6        37:6        38:9        40:1      
  41:236      42:30       44:5        45:59       46:7        47:1      
  49:10       50:1        52:1        58:4        59:20       60:4      
  61:4        62:7        63:34       64:52       65:1        66:38     
  67:43       68:8        69:18       71:1        72:11       74:19     
  76:32       77:5        78:3        79:10       80:14       81:32     
  82:4        83:8        84:9        85:34       86:7        87:1      
  88:1        89:10       91:47       92:1        93:12       94:4      
  95:4        96:5        97:1        98:2       101:7       102:9      
 103:303     104:10      106:1       108:8       109:8       110:3      
 111:19      112:4       114:23      115:1       116:5       117:63     
 118:35      119:19      121:30      122:8       123:8       124:40     
 125:13      128:79      129:181     130:91      131:89      132:60     
 133:137     134:91      136:2       137:147     138:9       139:4      
 140:33      141:2       142:43      143:28      144:53      146:125    
 147:61      148:159     149:13      150:36      151:5       152:72     
 153:11      154:24      155:52      156:64      157:25      158:45     
 159:115     160:26      161:16      162:17      163:60      164:39     
 165:14      166:1       167:15      168:124     169:9       170:50     
 171:1       172:1       173:2       175:32      176:8       177:5      
 178:1       179:12      180:21      181:11      182:5       184:5      
 185:40      186:3       187:17      188:13      189:6       190:44     
 191:30      192:1399    193:249     194:145     195:101     196:169    
 197:197     198:465     199:244     200:223     201:38      202:592    
 203:420     204:344     205:172     206:183     207:166     208:57     
 209:111     210:185     211:14      212:165     213:4       216:64     
 217:16      218:26      219:14      220:24      222:4       223:2      


End of report


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