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

REN Routing Table Report cscora at frr.nsrc.org
Tue Dec 7 21:15:27 UTC 2021


Global R&E Routing Table Report   21:15 GMT Tue 07 Dec, 2021

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

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

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

BGP routing table entries examined:                               18719
    Prefixes after maximum aggregation (per Origin AS):           10603
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11957
Total ASes present in the Internet Routing Table:                  2761
    Prefixes per ASN:                                              6.78
Origin-only ASes present in the Internet Routing Table:            2377
Origin ASes announcing only one prefix:                            1103
Transit ASes present in the Internet Routing Table:                 384
Transit-only ASes present in the Internet Routing Table:             54
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      38012
Number of 32-bit ASNs visible in the Routing Table:                 614
Prefixes from 32-bit ASNs in the Routing Table:                    1686
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:              4
Number of addresses announced to Internet:                    208148224
    Equivalent to 12 /8s, 104 /16s and 23 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2022

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

Prefixes being announced by APNIC Region ASes:                     4675
    Total APNIC prefixes after maximum aggregation:                2323
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4673
    Unique aggregates announced from the APNIC address blocks:     2637
APNIC Region origin ASes present in the Internet Routing Table:     576
    APNIC Prefixes per ASN:                                        8.11
APNIC Region origin ASes announcing only one prefix:                244
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    222
Number of APNIC addresses announced to Internet:               46020352
    Equivalent to 2 /8s, 190 /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, 131072-151865
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:                      8295
    Total ARIN prefixes after maximum aggregation:                 4752
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8310
    Unique aggregates announced from the ARIN address blocks:      5416
ARIN Region origin ASes present in the Internet Routing Table:     1236
    ARIN Prefixes per ASN:                                         6.72
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     159
Number of ARIN addresses announced to Internet:                97252352
    Equivalent to 5 /8s, 203 /16s and 244 /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:                      3361
    Total RIPE prefixes after maximum aggregation:                 2736
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3349
    Unique aggregates announced from the RIPE address blocks:      2778
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.01
RIPE Region origin ASes announcing only one prefix:                 320
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     133
Number of RIPE addresses announced to Internet:                58137344
    Equivalent to 3 /8s, 119 /16s and 27 /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:                    1479
    Total LACNIC prefixes after maximum aggregation:                602
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1480
    Unique aggregates announced from the LACNIC address blocks:     833
LACNIC Region origin ASes present in the Internet Routing Table:    175
    LACNIC Prefixes per ASN:                                       8.46
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    75
Number of LACNIC addresses announced to Internet:               4059648
    Equivalent to 0 /8s, 61 /16s and 242 /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:                    903
    Total AfriNIC prefixes after maximum aggregation:               184
    AfriNIC Deaggregation factor:                                  4.91
Prefixes being announced from the AfriNIC address blocks:           903
    Unique aggregates announced from the AfriNIC address blocks:    289
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     19.21
AfriNIC Region origin ASes announcing only one prefix:               20
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2677504
    Equivalent to 0 /8s, 40 /16s and 219 /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         611       2157     457  SINET-AS Research Organization of Infor
  7497         427        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
 58647         165         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
  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/REANNZ/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         249         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         148        507      88  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         109         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         280       1950     246  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  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      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        207      41  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          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         348        319      73  TENET-1, ZA
 36914         210         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
327687          36         28       3  RENU, UG
  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/REANNZ/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         611       2157     457  SINET-AS Research Organization of Infor
  7497         427        182      24  CSTNET-AS-AP Computer Network Informati
  2018         348        319      73  TENET-1, ZA
   680         280       1950     246  DFN Verein zur Foerderung eines Deutsch
  7896         249         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
 36914         210         82       3  KENET-AS, KE
   376         204        178     153  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
  7497         427          403  CSTNET-AS-AP Computer Network Information Cente
  2018         348          275  TENET-1, ZA
  7896         249          242  NU-AS, US
 36914         210          207  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         165          163  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
 55824         128          106  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/REANNZ/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
     29955  UNALLOCATED  192.104.1.0/24            2495  KANREN, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     29955  UNALLOCATED  198.252.8.0/21            2495  KANREN, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    394784  UNALLOCATED  205.166.145.0/24         40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/REANNZ/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/REANNZ/data-dsua

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:     11537  INTERNET2-RESEARCH-EDU, US
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/REANNZ/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      
/13:17      /14:36      /15:123     /16:2043    /17:388     /18:437     
/19:573     /20:887     /21:909     /22:1443    /23:1560    /24:10289   
/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         196         210  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
327700          36          42  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
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US

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

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

   1:4         4:2         5:15        6:4         8:2        12:1      
  14:84       18:42       23:10       24:3        31:6        37:6      
  38:9        40:1        41:125      42:8        44:5        45:48     
  46:6        47:1        49:10       50:4        52:1        59:20     
  60:4        61:3        62:7        63:38       64:55       65:4      
  66:51       67:44       68:8        69:21       71:1        72:13     
  74:20       76:34       77:6        78:3        79:10       80:17     
  81:27       82:5        83:7        84:9        85:33       86:6      
  87:1        88:1        89:10       91:47       92:1        93:19     
  94:4        95:5        96:5        97:1        98:2       101:6      
 102:13      103:307     104:75      106:1       107:16      108:8      
 109:9       110:3       111:16      112:4       114:23      116:5      
 117:61      118:32      119:21      121:26      122:8       123:8      
 124:39      125:4       128:85      129:174     130:95      131:88     
 132:58      133:139     134:103     136:193     137:80      138:8      
 139:5       140:47      141:2       142:41      143:35      144:52     
 145:1       146:124     147:60      148:160     149:13      150:40     
 151:6       152:77      153:11      154:25      155:51      156:68     
 157:25      158:42      159:115     160:25      161:17      162:21     
 163:66      164:45      165:54      166:1       167:16      168:161    
 169:10      170:69      171:1       172:2       173:7       175:29     
 176:8       177:10      178:1       179:11      180:21      181:12     
 182:6       184:5       185:42      186:3       187:18      188:13     
 189:3       190:50      191:37      192:1452    193:244     194:124    
 195:85      196:149     197:117     198:507     199:278     200:252    
 201:38      202:635     203:417     204:326     205:173     206:196    
 207:171     208:60      209:118     210:184     211:14      212:172    
 213:4       214:7       216:85      217:14      218:25      219:8      
 220:16      222:5       223:2      

End of report


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