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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 4 21:13:55 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 04 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:                              981514
    Prefixes after maximum aggregation (per Origin AS):          377357
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478858
    Number of IPv4 prefixes with a valid ROA:                    543859
    Number of IPv4 prefixes with an invalid ROA:                    139
    Number of IPv4 prefixes with no ROA:                         437516
Total ASes present in the Internet Routing Table:                 76801
    Prefixes per ASN:                                             12.78
Origin-only ASes present in the Internet Routing Table:           65782
Origin ASes announcing only one prefix:                           26953
Transit ASes present in the Internet Routing Table:               11019
Transit-only ASes present in the Internet Routing Table:            547
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:              1048
    Number of instances of unregistered ASNs:                      1051
Number of 32-bit ASNs allocated by the RIRs:                      46334
Number of 32-bit ASNs visible in the Routing Table:               38180
Prefixes from 32-bit ASNs in the Routing Table:                  201433
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:            472
Number of addresses announced to Internet:                   3109933312
    Equivalent to 185 /8s, 93 /16s and 209 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      321692

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

Prefixes being announced by APNIC Region ASes:                   257032
    Total APNIC prefixes after maximum aggregation:               76926
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          248115
    Unique aggregates announced from the APNIC address blocks:   103125
APNIC Region origin ASes present in the Internet Routing Table:   14599
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4460
APNIC Region transit ASes present in the Internet Routing Table:   1973
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10111
Number of APNIC addresses announced to Internet:              748281856
    Equivalent to 44 /8s, 153 /16s and 224 /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:                    290356
    Total ARIN prefixes after maximum aggregation:               129831
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291620
    Unique aggregates announced from the ARIN address blocks:    138527
ARIN Region origin ASes present in the Internet Routing Table:    19243
    ARIN Prefixes per ASN:                                        15.15
ARIN Region origin ASes announcing only one prefix:                7041
ARIN Region transit ASes present in the Internet Routing Table:    1998
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5199
Number of ARIN addresses announced to Internet:              1353256448
    Equivalent to 80 /8s, 169 /16s and 14 /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:                    274013
    Total RIPE prefixes after maximum aggregation:               133881
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271851
    Unique aggregates announced from the RIPE address blocks:    174074
RIPE Region origin ASes present in the Internet Routing Table:    28905
    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:    3978
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:   12416
Number of RIPE addresses announced to Internet:               731379456
    Equivalent to 43 /8s, 151 /16s and 247 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        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:                  123680
    Total LACNIC prefixes after maximum aggregation:              29333
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120202
    Unique aggregates announced from the LACNIC address blocks:   48804
LACNIC Region origin ASes present in the Internet Routing Table:  11230
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2702
LACNIC Region transit ASes present in the Internet Routing Table:  2479
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:             171681024
    Equivalent to 10 /8s, 59 /16s and 165 /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:                  35385
    Total AfriNIC prefixes after maximum aggregation:              6767
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         49253
    Unique aggregates announced from the AfriNIC address blocks:  13939
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     25.77
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  377
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:            105110784
    Equivalent to 6 /8s, 67 /16s and 221 /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        4317        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        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       13296      40823    4412  AMAZON-02, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3633       8755     925  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
 22773        3609       3053     208  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        7724       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4061       3395     127  AKAMAI-ASN1, NL
  9009        3792        327    1975  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2122        150    1564  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1418        366      39  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       12040       3243     585  UNINET, MX
 10620        3522        486     994  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        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        1057         70     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        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        1650        389      16  LINKdotNET-AS, EG
 29571        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       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         547         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       13296      40823    4412  AMAZON-02, US
  8151       12040       3243     585  UNINET, MX
  9808       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
 12479        7724       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        4317        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        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       12040        11455  UNINET, MX
  9808       10454        10361  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7724         7576  UNI2-AS, ES
  7545        6216         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4317         4292  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4239         3961  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     /14:1222    /15:2165    /16:13995   /17:8288    /18:13746   
/19:24606   /20:43708   /21:51737   /22:112036  /23:101741  /24:607220  
/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        6646        7724  UNI2-AS, ES
  8151        6243       12040  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        2740        3609  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       13296  AMAZON-02, US
 30036        2235        2576  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2331      2:1527      3:668       4:9         5:4683      6:162    
   7:6         8:1555      9:1        11:172      12:1365     13:364    
  14:2514     15:353      16:282      17:368      18:916      20:515    
  21:4        22:188      23:7531     24:2806     25:2        27:2780   
  29:19       31:3244     32:36       33:1        34:80       35:206    
  36:2488     37:4681     38:9046     39:907      40:167      41:4177   
  42:1959     43:2578     44:378      45:18561    46:5047     47:293    
  49:1935     50:1891     51:590      52:1552     54:302      55:1085   
  56:11       57:257      58:2206     59:1213     60:1169     61:2775   
  62:2943     63:1824     64:5481     65:2119     66:4657     67:3067   
  68:1170     69:3931     70:1150     71:628      72:2868     74:2783   
  75:1619     76:614      77:2728     78:1895     79:1752     80:2199   
  81:2034     82:3215     83:1436     84:1854     85:3423     86:1049   
  87:2157     88:1317     89:4336     90:783      91:8344     92:2725   
  93:2901     94:4086     95:4359     96:1459     97:312      98:1024   
  99:671     100:72      101:1151    102:3895    103:32228   104:4814   
 105:751     106:1032    107:2644    108:1205    109:4075    110:2230   
 111:3331    112:2049    113:1796    114:1963    115:2209    116:2040   
 117:2747    118:2892    119:1955    120:1881    121:1373    122:2753   
 123:2178    124:1570    125:2846    126:91      128:1611    129:948    
 130:1301    131:1928    132:780     133:451     134:1543    135:331    
 136:1303    137:1296    138:2890    139:1629    140:1575    141:1491   
 142:1904    143:1685    144:1078    145:505     146:2163    147:2101   
 148:2682    149:2874    150:1255    151:1821    152:2102    153:564    
 154:8230    155:1655    156:3460    157:1899    158:1289    159:2441   
 160:3574    161:1915    162:3726    163:2118    164:1700    165:2201   
 166:1470    167:1883    168:4033    169:791     170:5072    171:1010   
 172:4429    173:3263    174:917     175:1302    176:3659    177:4672   
 178:3688    179:2274    180:2607    181:4048    182:3392    183:2056   
 184:2145    185:21554   186:5113    187:4434    188:4214    189:4216   
 190:9599    191:1473    192:11244   193:9459    194:7773    195:5508   
 196:3299    197:3652    198:6224    199:8476    200:8215    201:6308   
 202:10405   203:10640   204:4545    205:3632    206:4621    207:3556   
 208:4266    209:5204    210:4588    211:2534    212:4524    213:3704   
 214:1028    215:48      216:6722    217:3146    218:1333    219:376    
 220:2085    221:1058    222:724     223:2350   

End of report


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