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Historic Site · Los Angeles
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COMPUTING
Computing
History

Kleinrock Internet History Center

Visit the room where the internet’s first host-to-host message became “LO.”
Directions unavailable
STATUS
Active
ACCESS
Appointment only
COST
Free
RESERVATION
required
TYPICAL VISIT
45 min
SETTING
indoor
BEST FIT
teens
CHECKED
Aug 22, 2026
THE NERD PAYOFF

Why This Pin Earned Its Place

UCLA sent the first ARPANET host-to-host message from this laboratory on October 29, 1969.
01
Recreated 1969 lab
02
Interface Message Processor history
03
Binary “Lo and behold!” floor-tile tribute
LOOK CLOSER

The Gloriously Specific Details

What to notice
• Recreated 1969 lab
• Interface Message Processor history
• Binary “Lo and behold!” floor-tile tribute
INTERPRETATION · NERD RELEVANCE
UCLA sent the first ARPANET host-to-host message from this laboratory on October 29, 1969.
PLAN THE VISIT

Useful Before You Leave the House

Address
Boelter Hall Room 3420, 580 Portola Plaza, Los Angeles, CA 90095
Hours
Current structured hours are unknown. Check the official site.
Price
No admission is listed, but access must be confirmed.
Access
Appointment only
Transit
Numerous buses serve UCLA; the room requires a campus walk.
Parking
UCLA visitor parking is paid.
Photography
Ask before photographing people, classes, or the heritage room.
Open the official visitor page ↗
ACCESSIBILITY
Details need a check
Boelter Hall has elevators, but current room-specific visitor arrangements are unconfirmed.
ACCESS & SAFETY
Specific, not sensational
Do not enter locked areas or disrupt university teaching and research.
TRUST & SOURCES
usable
Every visible claim is connected to a source and review date. Unknown never silently means no.
Official visitor information ↗
Checked Aug 22, 2026
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