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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Sep 9 17:10:41 UTC 2024


IPv4 R&E Routing Table Report   17:10 GMT Mon 09 Sep, 2024

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

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

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

BGP routing table entries examined:                               19360
    Prefixes after maximum aggregation (per Origin AS):           10556
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       11615
    Number of IPv4 prefixes with a valid ROA:                      6053
    Number of IPv4 prefixes with an invalid ROA:                      5
    Number of IPv4 prefixes with no ROA:                          13302
Total ASes present in the Internet Routing Table:                  2719
    Prefixes per ASN:                                              7.12
Origin-only ASes present in the Internet Routing Table:            2361
Origin ASes announcing only one prefix:                            1052
Transit ASes present in the Internet Routing Table:                 358
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      18
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45346
Number of 32-bit ASNs visible in the Routing Table:                 670
Prefixes from 32-bit ASNs in the Routing Table:                    1891
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:              6
Number of addresses announced to Internet:                    204232240
    Equivalent to 12 /8s, 44 /16s and 86 /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:               99.6
Total number of prefixes smaller than registry allocations:        2267

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

Prefixes being announced by APNIC Region ASes:                     4721
    Total APNIC prefixes after maximum aggregation:                2302
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4716
    Unique aggregates announced from the APNIC address blocks:     2635
APNIC Region origin ASes present in the Internet Routing Table:     584
    APNIC Prefixes per ASN:                                        8.08
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               45837632
    Equivalent to 2 /8s, 187 /16s and 109 /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, 131072-153913
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:                      8742
    Total ARIN prefixes after maximum aggregation:                 4891
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             8757
    Unique aggregates announced from the ARIN address blocks:      5358
ARIN Region origin ASes present in the Internet Routing Table:     1259
    ARIN Prefixes per ASN:                                         6.96
ARIN Region origin ASes announcing only one prefix:                 438
ARIN Region transit ASes present in the Internet Routing Table:     150
Average ARIN Region AS path length visible:                         5.5
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                92370528
    Equivalent to 5 /8s, 129 /16s and 118 /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, 393216-402332
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:                      3303
    Total RIPE prefixes after maximum aggregation:                 2649
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3292
    Unique aggregates announced from the RIPE address blocks:      2679
RIPE Region origin ASes present in the Internet Routing Table:      605
    RIPE Prefixes per ASN:                                         5.44
RIPE Region origin ASes announcing only one prefix:                 278
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     141
Number of RIPE addresses announced to Internet:                59307920
    Equivalent to 3 /8s, 136 /16s and 247 /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
                       196608-216475
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:                    1435
    Total LACNIC prefixes after maximum aggregation:                538
    LACNIC Deaggregation factor:                                   2.67
Prefixes being announced from the LACNIC address blocks:           1432
    Unique aggregates announced from the LACNIC address blocks:     714
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.12
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.8
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4209664
    Equivalent to 0 /8s, 64 /16s and 60 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   1158
    Total AfriNIC prefixes after maximum aggregation:               175
    AfriNIC Deaggregation factor:                                  6.62
Prefixes being announced from the AfriNIC address blocks:          1157
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     22.69
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2495744
    Equivalent to 0 /8s, 38 /16s and 21 /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         598       2169     465  SINET-AS Research Organization of Informa
  7497         450        212      25  CSTNET-AS-AP Computer Network Information
  1237         193         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         133         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         502        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         198        162     148  RISQ-AS, CA
   270         162        345      88  AS270, US
 18558         141         18       5  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024          96          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         135         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch.c
  1103          97       2015      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          90         26      70  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  2200          63        598      58  FR-RENATER Reseau National de telecommuni

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         205        180      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          50          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         530         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
 37661          13          8       5  NRaE1-AS, NG
 30983          12          4       2  MARWAN-AS, MA
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         598       2169     465  SINET-AS Research Organization of Informa
 36914         530         82       3  KENET-AS, KE
  2152         502        507      99  CENIC-2152, US
  7497         450        212      25  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
  1916         205        180      42  Rede Nacional de Ensino e Pesquisa, BR
  5786         199         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
 36914         530          527  KENET-AS, KE
  7497         450          425  CSTNET-AS-AP Computer Network Information Cente
  2152         502          403  CENIC-2152, US
  2018         381          310  TENET-1, ZA
  5786         199          198  UPRENET, PR
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         205          163  Rede Nacional de Ensino e Pesquisa, BR
 18558         141          136  NETBLK-RCOEK, US
  8895         135          130  ISU Internet Services Unit ISU, SA

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/URAN/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       /10:1       /11:2       /12:10      
/13:18      /14:35      /15:119     /16:2016    /17:424     /18:455     
/19:571     /20:844     /21:881     /22:1433    /23:1549    /24:10836   
/25:46      /26:52      /27:33      /28:8       /29:13      /30:10      
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 36914         508         530  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
  2152          61         502  CENIC-2152, US
  1916          41         205  Rede Nacional de Ensino e Pesquisa, BR
327700          39          45  MoRENet, MZ
 23024          38          96  OCDE, US
 32440          37          64  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES

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

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

   1:2         5:15        6:4         8:2        12:1        14:92     
  23:5        24:3        31:1        35:3        37:8        38:10     
  40:1        41:227      42:10       44:5        45:44       46:4      
  47:1        49:11       50:3        52:1        58:1        59:19     
  60:6        61:3        62:5        63:33       64:44       65:1      
  66:37       67:41       68:12       69:18       70:2        71:1      
  72:7        74:53       76:42       77:7        78:3        79:10     
  80:9        81:24       82:3        83:6        84:7        85:25     
  86:3        87:1        89:11       91:42       93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:11     
 103:317     104:79      108:8       109:4       111:16      113:2      
 114:24      116:9       117:61      118:34      119:24      121:27     
 122:8       123:8       124:42      125:5       128:84      129:33     
 130:95      131:63      132:67      133:154     134:109     136:199    
 137:89      138:57      139:6       140:36      141:3       142:25     
 143:24      144:28      145:2       146:135     147:62      148:193    
 149:13      150:40      151:9       152:135     153:15      154:37     
 155:63      156:138     157:26      158:35      159:121     160:30     
 161:16      162:22      163:61      164:14      165:47      166:1      
 167:26      168:119     169:7       170:88      172:2       173:7      
 175:17      177:5       179:13      180:16      181:1       182:9      
 184:7       185:47      186:3       187:21      188:11      189:3      
 190:18      191:13      192:1477    193:254     194:113     195:71     
 196:150     197:322     198:559     199:278     200:288     201:38     
 202:642     203:436     204:401     205:171     206:209     207:303    
 208:66      209:152     210:216     211:3       212:162     213:4      
 214:8       216:90      217:9       218:21      219:5       220:17     
 222:2       223:15     

End of report


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