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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 26 20:16:50 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 26 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:                              191620
    Prefixes after maximum aggregation (per Origin AS):           84870
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      105832
    Number of IPv4 prefixes with a valid ROA:                     75915
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                         115689
Total ASes present in the Internet Routing Table:                 16010
    Prefixes per ASN:                                             11.97
Origin-only ASes present in the Internet Routing Table:           13805
Origin ASes announcing only one prefix:                            6358
Transit ASes present in the Internet Routing Table:                2205
Transit-only ASes present in the Internet Routing Table:            597
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               246
    Number of instances of unregistered ASNs:                       246
Number of 32-bit ASNs allocated by the RIRs:                      44590
Number of 32-bit ASNs visible in the Routing Table:                5725
Prefixes from 32-bit ASNs in the Routing Table:                   19940
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:             98
Number of addresses announced to Internet:                   1121487773
    Equivalent to 66 /8s, 216 /16s and 139 /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:       56328

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

Prefixes being announced by APNIC Region ASes:                    30451
    Total APNIC prefixes after maximum aggregation:                7266
    APNIC Deaggregation factor:                                    4.19
Prefixes being announced from the APNIC address blocks:           29936
    Unique aggregates announced from the APNIC address blocks:     8230
APNIC Region origin ASes present in the Internet Routing Table:    1166
    APNIC Prefixes per ASN:                                       25.67
APNIC Region origin ASes announcing only one prefix:                477
APNIC Region transit ASes present in the Internet Routing Table:    204
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:    510
Number of APNIC addresses announced to Internet:              201453932
    Equivalent to 12 /8s, 1 /16s and 241 /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:                     88878
    Total ARIN prefixes after maximum aggregation:                48561
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87558
    Unique aggregates announced from the ARIN address blocks:     54522
ARIN Region origin ASes present in the Internet Routing Table:     7482
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3236
ARIN Region transit ASes present in the Internet Routing Table:     681
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:    1553
Number of ARIN addresses announced to Internet:               655963233
    Equivalent to 39 /8s, 25 /16s and 52 /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:                     37140
    Total RIPE prefixes after maximum aggregation:                17551
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            37874
    Unique aggregates announced from the RIPE address blocks:     25439
RIPE Region origin ASes present in the Internet Routing Table:     3510
    RIPE Prefixes per ASN:                                        10.79
RIPE Region origin ASes announcing only one prefix:                1494
RIPE Region transit ASes present in the Internet Routing Table:     547
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1302
Number of RIPE addresses announced to Internet:               163360208
    Equivalent to 9 /8s, 188 /16s and 173 /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:                   30190
    Total LACNIC prefixes after maximum aggregation:               9378
    LACNIC Deaggregation factor:                                   3.22
Prefixes being announced from the LACNIC address blocks:          29871
    Unique aggregates announced from the LACNIC address blocks:   14424
LACNIC Region origin ASes present in the Internet Routing Table:   2935
    LACNIC Prefixes per ASN:                                      10.18
LACNIC Region origin ASes announcing only one prefix:              1060
LACNIC Region transit ASes present in the Internet Routing Table:   590
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2238
Number of LACNIC addresses announced to Internet:              72822784
    Equivalent to 4 /8s, 87 /16s and 48 /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:                   4715
    Total AfriNIC prefixes after maximum aggregation:              1936
    AfriNIC Deaggregation factor:                                  2.44
Prefixes being announced from the AfriNIC address blocks:          6283
    Unique aggregates announced from the AfriNIC address blocks:   3121
AfriNIC Region origin ASes present in the Internet Routing Table:   225
    AfriNIC Prefixes per ASN:                                     27.92
AfriNIC Region origin ASes announcing only one prefix:               91
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:  122
Number of AfriNIC addresses announced to Internet:             27837440
    Equivalent to 1 /8s, 168 /16s and 196 /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         595       2158     459  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        9951      11383    3525  AMAZON-02, US
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2765       3395    1289  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1819        117    1255  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1598        105     890  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        1294        105    1045  AKAMAI-ASN1, NL
  3215         926       4906     284  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         705         60      22  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
 57878         382         31     188  PRAGER-IT, AT

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        5569       1585     746  UNINET, MX
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1083        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         754       1126      30  TELEFONICA BRASIL S.A, BR
 26599         549       2827      83  TELEFONICA BRASIL S.A, BR
 13999         493         68     214  Mega Cable, S.A. de C.V., MX
 10620         381         47     316  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         596        206     242  LINKdotNET-AS, EG
  2018         379        319      71  TENET-1, ZA
 29571         305         44     120  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         251         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      51  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        9951      11383    3525  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5569       1585     746  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2765       3395    1289  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1819        117    1255  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1598        105     890  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
  8151        5569         4823  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2765         1476  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        1321         1126  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
41.57.124.0/24       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
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US

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     /16:5964    /17:2496    /18:2590    
/19:5477    /20:8829    /21:10940   /22:19807   /23:20739   /24:113203  
/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        2964        5569  UNINET, MX
 16509        2125        9951  AMAZON-02, US
 11492        1208        1598  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1861  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         747         888  BRSPD-PUBLIC, US
  6147         680        1083  Telefonica del Peru S.A.A., PE
  8376         550         705  Jordan Data Communications, JO

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

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

   1:11        2:381       3:344       5:1110      6:148       7:5      
   8:632      11:171      12:665      13:300      14:121      15:283    
  16:175      17:6        18:738      20:33       21:4        22:188    
  23:1890     24:737      25:2        27:49       29:19       31:195    
  32:1        34:10       35:57       36:1177     37:439      38:881    
  39:524      40:11       41:756      42:13       43:193      44:35     
  45:2457     46:623      47:98       49:10       50:298      51:481    
  52:1371     54:276      55:974      57:14       58:7        59:38     
  60:19       61:62       62:343      63:508      64:1468     65:821    
  66:1254     67:836      68:177      69:844      70:142      71:196    
  72:471      74:732      75:390      76:217      77:334      78:582    
  79:189      80:215      81:184      82:198      83:129      84:197    
  85:353      86:162      87:163      88:154      89:544      90:97     
  91:618      92:428      93:807      94:507      95:1100     96:372    
  97:34       98:139      99:149     100:23      101:21      102:216    
 103:1147    104:766     105:142     106:3       107:198     108:310    
 109:275     110:41      111:1791    112:464     113:46      114:33     
 115:15      116:36      117:972     118:72      119:108     120:1087   
 121:39      122:86      123:21      124:59      125:13      128:357    
 129:281     130:505     131:813     132:511     133:195     134:348    
 135:90      136:371     137:430     138:759     139:403     140:601    
 141:326     142:704     143:590     144:332     145:65      146:502    
 147:390     148:612     149:493     150:292     151:570     152:576    
 153:118     154:593     155:688     156:445     157:306     158:317    
 159:693     160:722     161:478     162:700     163:290     164:651    
 165:399     166:103     167:397     168:910     169:152     170:1253   
 171:66      172:917     173:817     174:194     175:34      176:421    
 177:697     178:351     179:514     180:54      181:999     182:21     
 183:832     184:311     185:2484    186:793     187:818     188:587    
 189:1116    190:2738    191:242     192:3928    193:1304    194:864    
 195:578     196:451     197:416     198:2016    199:3672    200:2462   
 201:2378    202:1077    203:640     204:1788    205:1696    206:1199   
 207:1166    208:936     209:1416    210:335     211:431     212:718    
 213:582     214:1026    215:42      216:1809    217:324     218:525    
 219:24      220:30      221:302     222:20      223:641    

End of report


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