[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 24 20:16:49 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 24 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              191189
    Prefixes after maximum aggregation (per Origin AS):           85009
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      106003
    Number of IPv4 prefixes with a valid ROA:                     75663
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                         115510
Total ASes present in the Internet Routing Table:                 16036
    Prefixes per ASN:                                             11.92
Origin-only ASes present in the Internet Routing Table:           13829
Origin ASes announcing only one prefix:                            6373
Transit ASes present in the Internet Routing Table:                2207
Transit-only ASes present in the Internet Routing Table:            583
Paths with bogon ASNs present in the IPv4 Routing Table:              5
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               252
    Number of instances of unregistered ASNs:                       254
Number of 32-bit ASNs allocated by the RIRs:                      44555
Number of 32-bit ASNs visible in the Routing Table:                5754
Prefixes from 32-bit ASNs in the Routing Table:                   20108
Number of bogon 32-bit ASNs visible in the Routing Table:             6
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            103
Number of addresses announced to Internet:                   1121227933
    Equivalent to 66 /8s, 212 /16s and 148 /24s
    Percentage of available address space announced:               30.3
    Percentage of allocated address space announced:               30.3
    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:       56032

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

Prefixes being announced by APNIC Region ASes:                    30499
    Total APNIC prefixes after maximum aggregation:                7301
    APNIC Deaggregation factor:                                    4.18
Prefixes being announced from the APNIC address blocks:           29953
    Unique aggregates announced from the APNIC address blocks:     8246
APNIC Region origin ASes present in the Internet Routing Table:    1167
    APNIC Prefixes per ASN:                                       25.67
APNIC Region origin ASes announcing only one prefix:                480
APNIC Region transit ASes present in the Internet Routing Table:    206
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    517
Number of APNIC addresses announced to Internet:              201479020
    Equivalent to 12 /8s, 2 /16s and 83 /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:                     88730
    Total ARIN prefixes after maximum aggregation:                48498
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87407
    Unique aggregates announced from the ARIN address blocks:     54481
ARIN Region origin ASes present in the Internet Routing Table:     7483
    ARIN Prefixes per ASN:                                        11.68
ARIN Region origin ASes announcing only one prefix:                3244
ARIN Region transit ASes present in the Internet Routing Table:     684
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1556
Number of ARIN addresses announced to Internet:               655967073
    Equivalent to 39 /8s, 25 /16s and 67 /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:                     37414
    Total RIPE prefixes after maximum aggregation:                17675
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            38142
    Unique aggregates announced from the RIPE address blocks:     25605
RIPE Region origin ASes present in the Internet Routing Table:     3523
    RIPE Prefixes per ASN:                                        10.83
RIPE Region origin ASes announcing only one prefix:                1494
RIPE Region transit ASes present in the Internet Routing Table:     540
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1299
Number of RIPE addresses announced to Internet:               163602896
    Equivalent to 9 /8s, 192 /16s and 97 /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:                   29563
    Total LACNIC prefixes after maximum aggregation:               9414
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          29246
    Unique aggregates announced from the LACNIC address blocks:   14400
LACNIC Region origin ASes present in the Internet Routing Table:   2961
    LACNIC Prefixes per ASN:                                       9.88
LACNIC Region origin ASes announcing only one prefix:              1065
LACNIC Region transit ASes present in the Internet Routing Table:   597
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2262
Number of LACNIC addresses announced to Internet:              72164608
    Equivalent to 4 /8s, 77 /16s and 37 /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:                   4731
    Total AfriNIC prefixes after maximum aggregation:              1942
    AfriNIC Deaggregation factor:                                  2.44
Prefixes being announced from the AfriNIC address blocks:          6338
    Unique aggregates announced from the AfriNIC address blocks:   3175
AfriNIC Region origin ASes present in the Internet Routing Table:   223
    AfriNIC Prefixes per ASN:                                     28.42
AfriNIC Region origin ASes announcing only one prefix:               90
AfriNIC Region transit ASes present in the Internet Routing Table:   69
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  120
Number of AfriNIC addresses announced to Internet:             27930880
    Equivalent to 1 /8s, 170 /16s and 49 /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
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         721      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9975      11388    3518  AMAZON-02, US
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2772       3399    1292  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1829        121    1254  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1341        387     608  DNIC-ASBLK-05800-06055, US
  7979         990         64     201  SERVERS-COM, US
   855         954        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1292        105    1045  AKAMAI-ASN1, NL
  3215         926       4906     284  France Telecom - Orange, FR
 25019         823       1044     145  SAUDINETSTC-AS, SA
  8376         709         60      21  Jordan Data Communications, JO
  8452         622       1841      11  TE-AS TE-AS, EG
 51167         523        100     222  CONTABO, DE
 35819         424        418      70  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         384         34       5  ASN-ISKON, HR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        4866       1419     731  UNINET, MX
  3816        1322        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         549       2827      83  TELEFONICA BRASIL S.A, BR
 13999         490         68     212  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 27843         229         20      33  WIN EMPRESAS S.A.C., PE
 22047         228        342      16  VTR BANDA ANCHA S.A., CL

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         593        206     239  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         306         46     113  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         255         82       3  KENET-AS, KE
 36992         197        258     168  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         149        150      88  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 24757         135         36      50  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9975      11388    3518  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        4866       1419     731  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2772       3399    1292  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1829        121    1254  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        4866         4135  UNINET, MX
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2772         1480  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1322         1132  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:93      
/13:124     /14:359     /15:698     /16:5963    /17:2494    /18:2598    
/19:5410    /20:8767    /21:10929   /22:19824   /23:20600   /24:113029  
/25:73      /26:48      /27:66      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2493        4866  UNINET, MX
 16509        2130        9975  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1861  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         746         887  BRSPD-PUBLIC, US
  6147         681        1084  Telefonica del Peru S.A.A., PE
  8376         554         709  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:12        2:384       3:344       5:1113      6:148       7:5      
   8:630      11:171      12:666      13:303      14:121      15:283    
  16:175      17:6        18:739      20:33       21:4        22:188    
  23:1889     24:738      25:2        27:48       29:19       31:207    
  32:1        34:10       35:57       36:1177     37:449      38:876    
  39:524      40:11       41:760      42:13       43:196      44:35     
  45:2476     46:635      47:98       49:9        50:299      51:479    
  52:1371     54:275      55:878      57:14       58:7        59:38     
  60:19       61:62       62:344      63:507      64:1473     65:822    
  66:1258     67:834      68:176      69:841      70:142      71:196    
  72:470      74:731      75:390      76:210      77:326      78:577    
  79:188      80:227      81:184      82:190      83:123      84:197    
  85:350      86:162      87:163      88:154      89:542      90:98     
  91:625      92:427      93:809      94:554      95:1106     96:372    
  97:34       98:138      99:149     100:23      101:21      102:213    
 103:1150    104:764     105:142     106:3       107:199     108:310    
 109:277     110:41      111:1791    112:464     113:46      114:33     
 115:15      116:36      117:971     118:72      119:108     120:1087   
 121:39      122:86      123:21      124:59      125:13      128:357    
 129:281     130:506     131:813     132:510     133:195     134:348    
 135:90      136:369     137:433     138:765     139:402     140:599    
 141:324     142:704     143:603     144:333     145:65      146:504    
 147:389     148:616     149:492     150:292     151:578     152:576    
 153:118     154:616     155:689     156:443     157:292     158:317    
 159:691     160:720     161:478     162:697     163:287     164:651    
 165:399     166:103     167:397     168:919     169:152     170:1255   
 171:65      172:910     173:816     174:196     175:34      176:420    
 177:699     178:365     179:514     180:54      181:1005    182:22     
 183:832     184:311     185:2485    186:801     187:720     188:636    
 189:1048    190:2697    191:245     192:3931    193:1303    194:866    
 195:578     196:467     197:413     198:2010    199:3687    200:2471   
 201:2271    202:1076    203:641     204:1786    205:1695    206:1201   
 207:1160    208:936     209:1415    210:337     211:431     212:703    
 213:583     214:1027    215:42      216:1791    217:353     218:525    
 219:24      220:30      221:302     222:20      223:641    

End of report


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