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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 29 21:14:10 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 29 Mar, 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:                              978931
    Prefixes after maximum aggregation (per Origin AS):          374719
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476575
    Number of IPv4 prefixes with a valid ROA:                    538521
    Number of IPv4 prefixes with an invalid ROA:                    141
    Number of IPv4 prefixes with no ROA:                         440269
Total ASes present in the Internet Routing Table:                 76681
    Prefixes per ASN:                                             12.77
Origin-only ASes present in the Internet Routing Table:           65723
Origin ASes announcing only one prefix:                           26872
Transit ASes present in the Internet Routing Table:               10958
Transit-only ASes present in the Internet Routing Table:            551
Paths with bogon ASNs present in the IPv4 Routing Table:             20
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      59
    Max AS path prepend of ASN (135823)                              50
Prefixes from unregistered ASNs in the Routing Table:              1022
    Number of instances of unregistered ASNs:                      1027
Number of 32-bit ASNs allocated by the RIRs:                      46117
Number of 32-bit ASNs visible in the Routing Table:               37998
Prefixes from 32-bit ASNs in the Routing Table:                  200244
Number of bogon 32-bit ASNs visible in the Routing Table:            28
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            466
Number of addresses announced to Internet:                   3107719680
    Equivalent to 185 /8s, 60 /16s and 10 /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:      321183

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

Prefixes being announced by APNIC Region ASes:                   255767
    Total APNIC prefixes after maximum aggregation:               76309
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247449
    Unique aggregates announced from the APNIC address blocks:   102640
APNIC Region origin ASes present in the Internet Routing Table:   14533
    APNIC Prefixes per ASN:                                       17.03
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1959
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         59
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10047
Number of APNIC addresses announced to Internet:              748632064
    Equivalent to 44 /8s, 159 /16s and 56 /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:                    290093
    Total ARIN prefixes after maximum aggregation:               128792
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290732
    Unique aggregates announced from the ARIN address blocks:    137250
ARIN Region origin ASes present in the Internet Routing Table:    19241
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7040
ARIN Region transit ASes present in the Internet Routing Table:    1979
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5172
Number of ARIN addresses announced to Internet:              1349979136
    Equivalent to 80 /8s, 119 /16s and 12 /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:                    273191
    Total RIPE prefixes after maximum aggregation:               133052
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271523
    Unique aggregates announced from the RIPE address blocks:    173861
RIPE Region origin ASes present in the Internet Routing Table:    28859
    RIPE Prefixes per ASN:                                         9.41
RIPE Region origin ASes announcing only one prefix:               12034
RIPE Region transit ASes present in the Internet Routing Table:    3982
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12339
Number of RIPE addresses announced to Internet:               732259840
    Equivalent to 43 /8s, 165 /16s and 102 /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:                  123696
    Total LACNIC prefixes after maximum aggregation:              29220
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120336
    Unique aggregates announced from the LACNIC address blocks:   48814
LACNIC Region origin ASes present in the Internet Routing Table:  11220
    LACNIC Prefixes per ASN:                                      10.73
LACNIC Region origin ASes announcing only one prefix:              2664
LACNIC Region transit ASes present in the Internet Routing Table:  2462
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9171
Number of LACNIC addresses announced to Internet:             171567360
    Equivalent to 10 /8s, 57 /16s and 233 /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:                  35162
    Total AfriNIC prefixes after maximum aggregation:              6715
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48424
    Unique aggregates announced from the AfriNIC address blocks:  13604
AfriNIC Region origin ASes present in the Internet Routing Table:  1905
    AfriNIC Prefixes per ASN:                                     25.42
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269
Number of AfriNIC addresses announced to Internet:            105044992
    Equivalent to 6 /8s, 66 /16s and 220 /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       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6217        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4223        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3261       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2843        848     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2153        434     193  TATACOMM-AS TATA Communications formerly 

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       12963      39645    3987  AMAZON-02, US
 11492        4676        310     586  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
   174        3614       8767     970  COGENT-174, US
 22773        3603       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3105       1306    2245  AKAMAI-AS, US
396982        2945       3649     459  GOOGLE-CLOUD-PLATFORM, US
 36352        2581        213     795  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     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4005       3395     129  AKAMAI-ASN1, NL
  9009        3773        326    1962  M247, RO
 12389        3035       2303     888  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2070        147    1527  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1491         98     749  CLOUVIDER Clouvider - Global ASN, GB

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       11899       3243     582  UNINET, MX
 10620        3522        486     971  Telmex Colombia S.A., CO
 13999        2509        539     367  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        783     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1194        371      22  Telefonica del Peru S.A.A., PE
 11664        1163        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1051         70     378  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1049        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        1703        599      30  RAYA-AS, EG
 24863        1620        389      18  LINKdotNET-AS, EG
 29571        1567        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         910       1084      18  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         550         82       3  KENET-AS, 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       12963      39645    3987  AMAZON-02, US
  8151       11899       3243     582  UNINET, MX
  9808       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7723       1714     145  UNI2-AS, ES
  7545        6217        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4676        310     586  CABLEONE, US
 18403        4223        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4173        286      83  VIASAT-SP-BACKBONE, US

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       11899        11317  UNINET, MX
  9808       10310        10221  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7723         7578  UNI2-AS, ES
  7545        6217         5561  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4223         4198  FPT-AS-AP FPT Telecom Company, VN
 11492        4676         4090  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4217         3943  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916         3890  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
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     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

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      /12:302     
/13:584     /14:1227    /15:2168    /16:13968   /17:8311    /18:13766   
/19:24652   /20:43737   /21:51779   /22:112114  /23:101372  /24:604784  
/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        6655        7723  UNI2-AS, ES
  8151        6099       11899  UNINET, MX
 11492        3529        4676  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2720        3603  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2334       12963  AMAZON-02, US
 30036        2232        2575  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        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)
----------------------------------------------

   1:2322      2:1533      3:601       4:10        5:4587      6:163    
   7:6         8:1552      9:1        11:172      12:1372     13:352    
  14:2513     15:351      16:279      17:362      18:913      20:460    
  21:4        22:188      23:7366     24:3020     25:2        27:2762   
  29:19       31:3223     32:37       34:80       35:206      36:2399   
  37:4704     38:8889     39:899      40:154      41:4215     42:1915   
  43:2571     44:359      45:18497    46:4938     47:288      49:1981   
  50:1898     51:590      52:1554     54:301      55:1089     56:11     
  57:252      58:2195     59:1217     60:1171     61:2778     62:2916   
  63:1832     64:5490     65:2125     66:4613     67:3023     68:1155   
  69:3973     70:1162     71:618      72:2856     74:2805     75:1662   
  76:612      77:2709     78:1878     79:1721     80:2194     81:2019   
  82:3003     83:1416     84:1821     85:3375     86:1044     87:2157   
  88:1313     89:4328     90:778      91:8316     92:2796     93:2875   
  94:4044     95:4296     96:1425     97:313      98:1017     99:740    
 100:71      101:1142    102:3724    103:32208   104:4818    105:749    
 106:993     107:2615    108:1206    109:4079    110:2225    111:3324   
 112:2036    113:1790    114:1953    115:2162    116:2034    117:2740   
 118:2859    119:1952    120:1872    121:1365    122:2737    123:2181   
 124:1564    125:2852    126:88      128:1592    129:957     130:1283   
 131:1904    132:773     133:451     134:1529    135:329     136:1280   
 137:1294    138:2888    139:1628    140:1562    141:1482    142:1825   
 143:1651    144:1045    145:517     146:2156    147:2099    148:2626   
 149:2893    150:1246    151:2043    152:2106    153:571     154:7890   
 155:1614    156:3284    157:1909    158:1267    159:2432    160:3557   
 161:1937    162:3715    163:1973    164:1691    165:2205    166:1424   
 167:1889    168:4056    169:801     170:5084    171:1005    172:4477   
 173:3234    174:919     175:1287    176:3690    177:4756    178:3818   
 179:2322    180:2585    181:4053    182:3375    183:2028    184:2309   
 185:21526   186:5113    187:4396    188:4198    189:4191    190:9614   
 191:1527    192:11192   193:9425    194:7785    195:5545    196:3291   
 197:3665    198:6194    199:8419    200:8184    201:6301    202:10394  
 203:10604   204:4555    205:3655    206:4629    207:3560    208:4189   
 209:5233    210:4564    211:2522    212:4498    213:3761    214:1046   
 215:48      216:6583    217:3095    218:1328    219:375     220:2083   
 221:1072    222:712     223:2316   

End of report


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