[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Internet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Thu Jan 27 22:00:33 UTC 2022


IPv4 R&E Routing Table Report   22:00 GMT Thu 27 Jan, 2022

  BGP Table (R&E) as seen at Internet2.

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

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

BGP routing table entries examined:                               22036
    Prefixes after maximum aggregation (per Origin AS):           12141
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       14331
    Number of IPv4 prefixes with a valid ROA:                      6961
    Number of IPv4 prefixes with an invalid ROA:                     33
    Number of IPv4 prefixes with no ROA:                          15042
Total ASes present in the Internet Routing Table:                  2737
    Prefixes per ASN:                                              8.05
Origin-only ASes present in the Internet Routing Table:            2369
Origin ASes announcing only one prefix:                            1091
Transit ASes present in the Internet Routing Table:                 368
Transit-only ASes present in the Internet Routing Table:             47
Average AS path length visible in the Internet Routing Table:       3.3
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      38401
Number of 32-bit ASNs visible in the Routing Table:                 602
Prefixes from 32-bit ASNs in the Routing Table:                    1679
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:              5
Number of addresses announced to Internet:                    243027708
    Equivalent to 14 /8s, 124 /16s and 78 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3059

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

Prefixes being announced by APNIC Region ASes:                     4535
    Total APNIC prefixes after maximum aggregation:                2296
    APNIC Deaggregation factor:                                    1.98
Prefixes being announced from the APNIC address blocks:            4584
    Unique aggregates announced from the APNIC address blocks:     2617
APNIC Region origin ASes present in the Internet Routing Table:     564
    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:     58
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    215
Number of APNIC addresses announced to Internet:               45966656
    Equivalent to 2 /8s, 189 /16s and 101 /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:                     11682
    Total ARIN prefixes after maximum aggregation:                 6304
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:            11580
    Unique aggregates announced from the ARIN address blocks:      7766
ARIN Region origin ASes present in the Internet Routing Table:     1229
    ARIN Prefixes per ASN:                                         9.42
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     162
Average ARIN Region AS path length visible:                         3.0
    Max ARIN Region AS path length visible:                          13
Number of ARIN region 32-bit ASNs visible in the Routing Table:     163
Number of ARIN addresses announced to Internet:               132006108
    Equivalent to 7 /8s, 222 /16s and 64 /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:                      3457
    Total RIPE prefixes after maximum aggregation:                 2781
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3504
    Unique aggregates announced from the RIPE address blocks:      2878
RIPE Region origin ASes present in the Internet Routing Table:      676
    RIPE Prefixes per ASN:                                         5.18
RIPE Region origin ASes announcing only one prefix:                 321
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                58111936
    Equivalent to 3 /8s, 118 /16s and 183 /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:                    1466
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.58
Prefixes being announced from the LACNIC address blocks:           1470
    Unique aggregates announced from the LACNIC address blocks:     770
LACNIC Region origin ASes present in the Internet Routing Table:    167
    LACNIC Prefixes per ASN:                                       8.80
LACNIC Region origin ASes announcing only one prefix:                68
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       4.0
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4189728
    Equivalent to 0 /8s, 63 /16s and 238 /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:                    893
    Total AfriNIC prefixes after maximum aggregation:               189
    AfriNIC Deaggregation factor:                                  4.72
Prefixes being announced from the AfriNIC address blocks:           893
    Unique aggregates announced from the AfriNIC address blocks:    295
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     17.51
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:                      2.8
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2752000
    Equivalent to 0 /8s, 41 /16s and 254 /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       2157     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         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        330     122  AARNET-AS-AP Australian Academic and Re
 55824         130         19      23  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/Internet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2805       4495    1070  AMAZON-02, US
 14618         570       3987     437  AMAZON-AES, US
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, 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
     1         119          1      43  LVLT-1, US
   270         119        329      88  AS270, 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         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         182         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          58         32      55  ROEDUNET, RO
  1930          57         81      52  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         201        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      55  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 
 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
 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
  2018         349        319      74  TENET-1, ZA
 36914         202         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          12          8       1  TERNET, TZ
 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        2805       4495    1070  AMAZON-02, US
  2907         577       2157     458  SINET-AS Research Organization of Infor
 14618         570       3987     437  AMAZON-AES, US
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         349        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
 36914         202         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/Internet2/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         349          275  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         202          199  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         182          178  ISU Internet Services Unit ISU, SA
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  1916         201          159  Rede Nacional de Ensino e Pesquisa, BR
 14618         570          133  AMAZON-AES, US
 18558         136          132  NETBLK-RCOEK, 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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Unassigned Network     ASN Information  AS Name
103.151.24.0/24      Origin:     16509  AMAZON-02, US
103.151.24.0/24     Transit:     11537  INTERNET2-RESEARCH-EDU, US
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
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, 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       /10:2       /11:3       /12:17      
/13:24      /14:59      /15:174     /16:2095    /17:451     /18:469     
/19:599     /20:942     /21:1001    /22:1565    /23:1718    /24:12598   
/25:79      /26:61      /27:124     /28:1       /29:49      /30:0       
/31:2       /32:2       

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

   ASN  No of nets  Total ann.  Description
 16509         736        2805  AMAZON-02, US
 14618         189         570  AMAZON-AES, US
 36914         189         202  KENET-AS, KE
  8895         177         182  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
     1          35         119  LVLT-1, 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
327700          30          34  MoRENet, MZ

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

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

   1:4         3:81        4:2         5:16        6:4         8:2      
  12:1        13:165      14:85       15:51       16:5        18:45     
  23:41       24:3        31:6        35:1        37:6        38:9      
  40:1        41:114      42:8        44:5        45:49       46:8      
  47:1        49:8        50:6        52:678      54:180      58:1      
  59:4        60:4        61:3        62:7        63:38       64:125    
  65:5        66:54       67:62       68:17       69:46       70:9      
  71:17       72:18       74:42       75:128      76:165      77:9      
  78:3        79:10       80:16       81:28       82:6        83:6      
  84:9        85:37       86:4        87:1        88:1        89:12     
  91:54       92:1        93:19       94:4        95:6        96:6      
  97:1        98:11       99:181     101:6       102:13      103:316    
 104:46      106:1       107:8       108:20      109:12      110:3      
 111:20      112:4       114:23      116:5       117:61      119:22     
 121:26      122:3       123:8       124:39      125:4       128:81     
 129:184     130:120     131:89      132:58      133:140     134:102    
 135:1       136:203     137:91      138:9       139:16      140:52     
 141:4       142:58      143:33      144:69      145:2       146:129    
 147:66      148:200     149:16      150:36      151:7       152:81     
 153:11      154:25      155:60      156:69      157:31      158:46     
 159:119     160:30      161:21      162:50      163:61      164:53     
 165:63      166:1       167:22      168:164     169:10      170:104    
 171:1       172:10      173:13      174:1       175:31      176:12     
 177:13      178:3       179:12      180:21      182:6       184:10     
 185:59      186:3       187:18      188:14      189:5       190:33     
 191:33      192:1488    193:255     194:125     195:88      196:148    
 197:113     198:494     199:314     200:254     201:40      202:611    
 203:420     204:350     205:192     206:206     207:190     208:94     
 209:131     210:182     211:13      212:173     213:15      214:7      
 216:144     217:15      218:25      219:6       220:17      222:5      
 223:3      

End of report


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