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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 25 20:16:48 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 25 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:                              191709
    Prefixes after maximum aggregation (per Origin AS):           84944
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      105905
    Number of IPv4 prefixes with a valid ROA:                     76102
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                         115591
Total ASes present in the Internet Routing Table:                 16034
    Prefixes per ASN:                                             11.96
Origin-only ASes present in the Internet Routing Table:           13838
Origin ASes announcing only one prefix:                            6377
Transit ASes present in the Internet Routing Table:                2196
Transit-only ASes present in the Internet Routing Table:            586
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:               249
    Number of instances of unregistered ASNs:                       249
Number of 32-bit ASNs allocated by the RIRs:                      44572
Number of 32-bit ASNs visible in the Routing Table:                5749
Prefixes from 32-bit ASNs in the Routing Table:                   20063
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:            101
Number of addresses announced to Internet:                   1121346461
    Equivalent to 66 /8s, 214 /16s and 99 /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:       56353

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

Prefixes being announced by APNIC Region ASes:                    30468
    Total APNIC prefixes after maximum aggregation:                7278
    APNIC Deaggregation factor:                                    4.19
Prefixes being announced from the APNIC address blocks:           29957
    Unique aggregates announced from the APNIC address blocks:     8257
APNIC Region origin ASes present in the Internet Routing Table:    1170
    APNIC Prefixes per ASN:                                       25.60
APNIC Region origin ASes announcing only one prefix:                481
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:    518
Number of APNIC addresses announced to Internet:              201473132
    Equivalent to 12 /8s, 2 /16s and 60 /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:                     88817
    Total ARIN prefixes after maximum aggregation:                48499
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87492
    Unique aggregates announced from the ARIN address blocks:     54463
ARIN Region origin ASes present in the Internet Routing Table:     7481
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3244
ARIN Region transit ASes present in the Internet Routing Table:     680
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:    1557
Number of ARIN addresses announced to Internet:               655937377
    Equivalent to 39 /8s, 24 /16s and 207 /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:                     37099
    Total RIPE prefixes after maximum aggregation:                17535
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            37836
    Unique aggregates announced from the RIPE address blocks:     25391
RIPE Region origin ASes present in the Internet Routing Table:     3527
    RIPE Prefixes per ASN:                                        10.73
RIPE Region origin ASes announcing only one prefix:                1502
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:    1304
Number of RIPE addresses announced to Internet:               163302096
    Equivalent to 9 /8s, 187 /16s and 202 /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:                   30494
    Total LACNIC prefixes after maximum aggregation:               9578
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          30170
    Unique aggregates announced from the LACNIC address blocks:   14674
LACNIC Region origin ASes present in the Internet Routing Table:   2950
    LACNIC Prefixes per ASN:                                      10.23
LACNIC Region origin ASes announcing only one prefix:              1059
LACNIC Region transit ASes present in the Internet Routing Table:   588
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:  2250
Number of LACNIC addresses announced to Internet:              72943616
    Equivalent to 4 /8s, 89 /16s and 8 /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:                   4582
    Total AfriNIC prefixes after maximum aggregation:              1875
    AfriNIC Deaggregation factor:                                  2.44
Prefixes being announced from the AfriNIC address blocks:          6153
    Unique aggregates announced from the AfriNIC address blocks:   3024
AfriNIC Region origin ASes present in the Internet Routing Table:   224
    AfriNIC Prefixes per ASN:                                     27.47
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   66
Average AfriNIC Region AS path length visible:                      6.3
    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:             27606784
    Equivalent to 1 /8s, 165 /16s and 63 /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        9957      11384    3528  AMAZON-02, US
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2763       3393    1287  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1829        117    1253  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1598        105     890  CABLEONE, US
  5972        1331        386     612  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         707         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
 57878         381         31     187  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        5576       1593     752  UNINET, MX
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        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         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         604        208     247  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         306         44     120  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         254         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        9957      11384    3528  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5576       1593     752  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2763       3393    1287  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1829        117    1253  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        5576         4824  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2763         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
41.57.124.0/22       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
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM

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     /14:358     /15:698     /16:5965    /17:2489    /18:2591    
/19:5482    /20:8821    /21:10935   /22:19817   /23:20732   /24:113303  
/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        2963        5576  UNINET, MX
 16509        2125        9957  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         681        1084  Telefonica del Peru S.A.A., PE
  8376         552         707  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        2:382       3:344       5:1110      6:148       7:5      
   8:632      11:171      12:665      13:301      14:133      15:283    
  16:175      17:6        18:738      20:33       21:4        22:188    
  23:1889     24:737      25:2        27:49       29:19       31:188    
  32:1        34:10       35:57       36:1177     37:443      38:889    
  39:524      40:11       41:678      42:13       43:194      44:35     
  45:2475     46:623      47:98       49:10       50:299      51:481    
  52:1371     54:276      55:975      57:14       58:7        59:38     
  60:19       61:62       62:343      63:508      64:1473     65:821    
  66:1253     67:835      68:177      69:862      70:142      71:196    
  72:470      74:732      75:390      76:210      77:326      78:579    
  79:188      80:215      81:201      82:192      83:129      84:195    
  85:351      86:162      87:162      88:154      89:534      90:98     
  91:622      92:427      93:809      94:512      95:1107     96:372    
  97:34       98:138      99:149     100:23      101:21      102:226    
 103:1157    104:764     105:142     106:3       107:198     108:310    
 109:278     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     130:508     131:812     132:511     133:195     134:348    
 135:90      136:370     137:431     138:770     139:403     140:599    
 141:327     142:704     143:599     144:332     145:65      146:502    
 147:390     148:626     149:494     150:292     151:570     152:576    
 153:118     154:586     155:689     156:447     157:292     158:317    
 159:692     160:722     161:481     162:701     163:290     164:649    
 165:399     166:103     167:393     168:914     169:152     170:1256   
 171:65      172:913     173:817     174:194     175:34      176:421    
 177:713     178:340     179:513     180:54      181:1007    182:21     
 183:832     184:311     185:2477    186:816     187:929     188:565    
 189:1135    190:2721    191:244     192:3928    193:1307    194:870    
 195:578     196:448     197:392     198:2009    199:3685    200:2481   
 201:2384    202:1069    203:639     204:1788    205:1682    206:1201   
 207:1161    208:935     209:1418    210:337     211:431     212:703    
 213:581     214:1025    215:42      216:1788    217:340     218:525    
 219:24      220:29      221:302     222:20      223:641    

End of report


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