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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 2 21:13:52 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 02 May, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              981124
    Prefixes after maximum aggregation (per Origin AS):          377252
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478772
    Number of IPv4 prefixes with a valid ROA:                    543707
    Number of IPv4 prefixes with an invalid ROA:                    139
    Number of IPv4 prefixes with no ROA:                         437278
Total ASes present in the Internet Routing Table:                 76801
    Prefixes per ASN:                                             12.77
Origin-only ASes present in the Internet Routing Table:           65796
Origin ASes announcing only one prefix:                           26946
Transit ASes present in the Internet Routing Table:               11005
Transit-only ASes present in the Internet Routing Table:            548
Paths with bogon ASNs present in the IPv4 Routing Table:             18
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1047
    Number of instances of unregistered ASNs:                      1050
Number of 32-bit ASNs allocated by the RIRs:                      46309
Number of 32-bit ASNs visible in the Routing Table:               38177
Prefixes from 32-bit ASNs in the Routing Table:                  201306
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            469
Number of addresses announced to Internet:                   3105211648
    Equivalent to 185 /8s, 21 /16s and 197 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      321559

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

Prefixes being announced by APNIC Region ASes:                   256912
    Total APNIC prefixes after maximum aggregation:               76962
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          248002
    Unique aggregates announced from the APNIC address blocks:   103110
APNIC Region origin ASes present in the Internet Routing Table:   14592
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4444
APNIC Region transit ASes present in the Internet Routing Table:   1970
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10104
Number of APNIC addresses announced to Internet:              748270848
    Equivalent to 44 /8s, 153 /16s and 181 /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, 131072-155961
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:                    290313
    Total ARIN prefixes after maximum aggregation:               129734
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291583
    Unique aggregates announced from the ARIN address blocks:    138458
ARIN Region origin ASes present in the Internet Routing Table:    19244
    ARIN Prefixes per ASN:                                        15.15
ARIN Region origin ASes announcing only one prefix:                7043
ARIN Region transit ASes present in the Internet Routing Table:    1997
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5199
Number of ARIN addresses announced to Internet:              1348560640
    Equivalent to 80 /8s, 97 /16s and 103 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    273976
    Total RIPE prefixes after maximum aggregation:               133826
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271844
    Unique aggregates announced from the RIPE address blocks:    174081
RIPE Region origin ASes present in the Internet Routing Table:    28909
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12056
RIPE Region transit ASes present in the Internet Routing Table:    3985
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12420
Number of RIPE addresses announced to Internet:               731377664
    Equivalent to 43 /8s, 151 /16s and 240 /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,
                        53/8,  57/8,  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:                  123478
    Total LACNIC prefixes after maximum aggregation:              29346
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         119997
    Unique aggregates announced from the LACNIC address blocks:   48816
LACNIC Region origin ASes present in the Internet Routing Table:  11232
    LACNIC Prefixes per ASN:                                      10.68
LACNIC Region origin ASes announcing only one prefix:              2707
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9179
Number of LACNIC addresses announced to Internet:             171686144
    Equivalent to 10 /8s, 59 /16s and 185 /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:                  35398
    Total AfriNIC prefixes after maximum aggregation:              6764
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         49228
    Unique aggregates announced from the AfriNIC address blocks:  13921
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     25.77
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet:            105096704
    Equivalent to 6 /8s, 67 /16s and 166 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4326        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     648  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13255      39695    4331  AMAZON-02, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3625       8755     919  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
 22773        3609       3038     217  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3120       1312    2258  AKAMAI-AS, US
396982        2955       3657     469  GOOGLE-CLOUD-PLATFORM, US
 36352        2772        227     850  AS-COLOCROSSING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7723       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4061       3395     127  AKAMAI-ASN1, NL
  9009        3794        327    1975  M247, RO
 12389        3071       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2110        149    1553  CDNEXT, GB
  8452        1646       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1423        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12030       3243     585  UNINET, MX
 10620        3521        485     995  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1198        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 22884        1058         70     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1040        374     163  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1744        631      30  RAYA-AS, EG
 24863        1648        389      16  LINKdotNET-AS, EG
 29571        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 20011         980        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
 36914         551         82       3  KENET-AS, KE
 15399         521         56      54  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13255      39695    4331  AMAZON-02, US
  8151       12030       3243     585  UNINET, MX
  9808       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
 12479        7723       1714     148  UNI2-AS, ES
  7545        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4326        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4061       3395     127  AKAMAI-ASN1, NL

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

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

   ASN  No of nets  Net Savings  Description
  8151       12030        11445  UNINET, MX
  9808       10454        10361  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7723         7575  UNI2-AS, ES
  7545        6216         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4326         4301  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4237         3959  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4061         3934  AKAMAI-ASN1, NL
  7552        3919         3893  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:41      /11:93      /12:300     
/13:583     /14:1221    /15:2164    /16:13928   /17:8288    /18:13741   
/19:24596   /20:43697   /21:51724   /22:112024  /23:101724  /24:606967  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6645        7723  UNI2-AS, ES
  8151        6233       12030  UNINET, MX
 11492        3531        4711  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2734        3609  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2344       13255  AMAZON-02, US
 30036        2234        2575  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3521  Telmex Colombia S.A., CO

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

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

   1:2334      2:1526      3:655       4:9         5:4683      6:162    
   7:6         8:1555      9:1        11:172      12:1361     13:367    
  14:2515     15:353      16:282      17:368      18:917      20:515    
  21:4        22:188      23:7530     24:2807     25:2        27:2780   
  29:19       31:3232     32:36       33:1        34:80       35:206    
  36:2488     37:4685     38:9043     39:907      40:167      41:4166   
  42:1962     43:2574     44:377      45:18543    46:5049     47:293    
  49:1934     50:1893     51:590      52:1553     54:302      55:1087   
  56:11       57:257      58:2199     59:1201     60:1169     61:2770   
  62:2941     63:1824     64:5480     65:2117     66:4657     67:3068   
  68:1169     69:3929     70:1151     71:628      72:2858     74:2784   
  75:1618     76:614      77:2728     78:1897     79:1761     80:2201   
  81:2053     82:3217     83:1438     84:1853     85:3422     86:1048   
  87:2157     88:1317     89:4333     90:783      91:8332     92:2723   
  93:2902     94:4075     95:4359     96:1460     97:312      98:1024   
  99:669     100:72      101:1143    102:3900    103:32193   104:4816   
 105:749     106:1044    107:2643    108:1204    109:4075    110:2231   
 111:3321    112:2048    113:1796    114:1963    115:2207    116:2037   
 117:2747    118:2894    119:1954    120:1890    121:1374    122:2752   
 123:2179    124:1565    125:2846    126:91      128:1607    129:953    
 130:1300    131:1937    132:782     133:451     134:1545    135:331    
 136:1301    137:1295    138:2888    139:1628    140:1576    141:1496   
 142:1909    143:1678    144:1079    145:504     146:2163    147:2101   
 148:2679    149:2880    150:1253    151:1820    152:2103    153:564    
 154:8228    155:1657    156:3460    157:1896    158:1290    159:2442   
 160:3582    161:1914    162:3747    163:2113    164:1697    165:2201   
 166:1471    167:1876    168:4038    169:787     170:5074    171:1010   
 172:4426    173:3256    174:916     175:1296    176:3664    177:4644   
 178:3687    179:2269    180:2608    181:4053    182:3391    183:2057   
 184:2145    185:21561   186:5084    187:4446    188:4211    189:4207   
 190:9512    191:1469    192:11241   193:9464    194:7766    195:5504   
 196:3299    197:3677    198:6224    199:8480    200:8178    201:6322   
 202:10408   203:10634   204:4546    205:3627    206:4621    207:3557   
 208:4261    209:5206    210:4588    211:2535    212:4528    213:3704   
 214:1029    215:48      216:6712    217:3151    218:1333    219:376    
 220:2085    221:1058    222:724     223:2351   

End of report


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