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

REN Routing Table Report cscora at frr.nsrc.org
Sat Feb 11 22:25:44 UTC 2023


IPv4 R&E Routing Table Report   22:25 GMT Sat 11 Feb, 2023

  IPv4 BGP Table (R&E) as seen at UH.

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

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

BGP routing table entries examined:                               23741
    Prefixes after maximum aggregation (per Origin AS):           12994
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       15502
    Number of IPv4 prefixes with a valid ROA:                      9717
    Number of IPv4 prefixes with an invalid ROA:                     92
    Number of IPv4 prefixes with no ROA:                          13932
Total ASes present in the Internet Routing Table:                  2728
    Prefixes per ASN:                                              8.70
Origin-only ASes present in the Internet Routing Table:            2348
Origin ASes announcing only one prefix:                            1022
Transit ASes present in the Internet Routing Table:                 380
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
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:                      41191
Number of 32-bit ASNs visible in the Routing Table:                 626
Prefixes from 32-bit ASNs in the Routing Table:                    1773
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              5
Number of addresses announced to Internet:                    283419158
    Equivalent to 16 /8s, 228 /16s and 162 /24s
    Percentage of available address space announced:                7.7
    Percentage of allocated address space announced:                7.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        3387

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

Prefixes being announced by APNIC Region ASes:                     3998
    Total APNIC prefixes after maximum aggregation:                1663
    APNIC Deaggregation factor:                                    2.40
Prefixes being announced from the APNIC address blocks:            4099
    Unique aggregates announced from the APNIC address blocks:     1984
APNIC Region origin ASes present in the Internet Routing Table:     480
    APNIC Prefixes per ASN:                                        8.54
APNIC Region origin ASes announcing only one prefix:                201
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    206
Number of APNIC addresses announced to Internet:               33006636
    Equivalent to 1 /8s, 247 /16s and 164 /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:                     13712
    Total ARIN prefixes after maximum aggregation:                 7692
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:            13376
    Unique aggregates announced from the ARIN address blocks:      9278
ARIN Region origin ASes present in the Internet Routing Table:     1279
    ARIN Prefixes per ASN:                                        10.46
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     189
Number of ARIN addresses announced to Internet:               175633498
    Equivalent to 10 /8s, 119 /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:                      3612
    Total RIPE prefixes after maximum aggregation:                 2864
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3843
    Unique aggregates announced from the RIPE address blocks:      3159
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.60
RIPE Region origin ASes announcing only one prefix:                 305
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                67451904
    Equivalent to 4 /8s, 5 /16s and 60 /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:                    1391
    Total LACNIC prefixes after maximum aggregation:                562
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1395
    Unique aggregates announced from the LACNIC address blocks:     782
LACNIC Region origin ASes present in the Internet Routing Table:    151
    LACNIC Prefixes per ASN:                                       9.24
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    22
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:    60
Number of LACNIC addresses announced to Internet:               4536208
    Equivalent to 0 /8s, 69 /16s and 55 /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:                   1022
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.94
Prefixes being announced from the AfriNIC address blocks:          1023
    Unique aggregates announced from the AfriNIC address blocks:    294
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     18.94
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:                      4.0
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2789376
    Equivalent to 0 /8s, 42 /16s and 144 /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
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          83         16       1  NSW-DET-AS NSW Department of Education,
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  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/UniHawaii/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        4027       4768    1823  AMAZON-02, US
 14618         737       3994     549  AMAZON-AES, US
  8075         318      12787     272  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         217        698     178  DNIC-AS-00668, US
   376         199        178     148  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         190        507      93  CSUNET-NW, US
 18558         133         18       4  NETBLK-RCOEK, US
     1         120          2      46  LVLT-1, US
   270         120        329      85  AS270, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         114        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         374        319      71  TENET-1, ZA
 36914         251         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          44         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        4027       4768    1823  AMAZON-02, US
 14618         737       3994     549  AMAZON-AES, US
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      71  TENET-1, ZA
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
  8075         318      12787     272  MICROSOFT-CORP-MSN-AS-BLOCK, US
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
   668         217        698     178  DNIC-AS-00668, US
   376         199        178     148  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         374          303  TENET-1, ZA
 36914         251          248  KENET-AS, KE
  7575         350          224  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 14618         737          188  AMAZON-AES, US
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         133          129  NETBLK-RCOEK, US
  2920         117          108  LACOE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
64.186.3.0/24        Origin:     16509  AMAZON-02, US
64.186.3.0/24       Transit:     11537  INTERNET2-RESEARCH-EDU, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     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
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/UniHawaii/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       /11:9       /12:29      
/13:36      /14:82      /15:201     /16:1960    /17:451     /18:458     
/19:603     /20:989     /21:1123    /22:1781    /23:1887    /24:13674   
/25:82      /26:53      /27:154     /28:45      /29:76      /30:23      
/31:3       /32:17      

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

   ASN  No of nets  Total ann.  Description
 16509         728        4027  AMAZON-02, US
 14618         247         737  AMAZON-AES, US
 36914         238         251  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          79          94  LONI, US
 23024          52         113  OCDE, US
  8075          51         318  MICROSOFT-CORP-MSN-AS-BLOCK, US
     1          38         120  LVLT-1, US
 18632          34          65  VOLCANO-VISION, US
 46115          32          35  LUTHER, US

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

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

   1:2         2:1         3:92        4:2         5:17        6:4      
   8:2        12:1        13:190      14:89       15:128      16:5      
  18:182      23:51       24:1        31:7        35:16       37:1      
  38:9        40:2        41:140      42:10       44:5        45:56     
  46:11       47:1        49:10       50:10       52:850      54:273    
  58:2        59:20       60:4        61:3        62:17       63:42     
  64:156      65:42       66:84       67:65       68:18       69:50     
  70:27       71:48       72:18       74:84       76:45       77:11     
  78:4        79:10       80:17       81:28       82:6        83:6      
  84:8        85:46       86:5        87:2        89:13       91:55     
  92:2        93:4        94:8        95:2        96:7        97:2      
  98:13       99:83      101:6       102:15      103:332     104:114    
 107:17      108:81      109:12      110:2       111:17      113:5      
 114:23      115:1       116:8       117:61      118:34      119:21     
 121:26      122:11      124:39      125:4       128:80      129:50     
 130:154     131:76      132:57      134:99      135:3       136:218    
 137:238     138:22      139:28      140:60      141:5       142:56     
 143:40      144:65      145:4       146:133     147:66      148:204    
 149:16      150:136     151:13      152:82      153:91      154:30     
 155:77      156:71      157:39      158:43      159:163     160:6      
 161:38      162:63      163:82      164:22      165:60      166:1      
 167:21      168:176     169:14      170:145     171:1       172:10     
 173:22      174:2       175:31      176:14      177:9       178:2      
 179:10      180:17      181:1       182:4       184:4       185:88     
 186:3       187:19      188:15      189:3       190:15      191:36     
 192:1470    193:356     194:138     195:87      196:160     197:155    
 198:565     199:342     200:222     201:35      202:440     203:435    
 204:384     205:172     206:217     207:196     208:125     209:140    
 210:185     211:18      212:174     213:16      214:8       216:167    
 217:11      218:22      219:1       220:17      222:5       223:4      


End of report


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